WORKSPACE: remove CoreDNS dependency

This is no longer needed, CoreDNS was replaced by the new DNS server 
implementation.

Change-Id: I0c1072645a9e8ba196eabf6c549924def00b0212
Reviewed-on: https://review.monogon.dev/c/monogon/+/3281
Tested-by: Jenkins CI
Reviewed-by: Lorenz Brun <lorenz@monogon.tech>
diff --git a/go.mod b/go.mod
index f27e36a..7c51355 100644
--- a/go.mod
+++ b/go.mod
@@ -81,7 +81,6 @@
 	github.com/container-storage-interface/spec v1.8.0
 	github.com/containerd/containerd v1.7.15
 	github.com/containernetworking/plugins v1.2.0
-	github.com/coredns/coredns v1.11.1
 	github.com/corverroos/commentwrap v0.0.0-20191204065359-2926638be44c
 	github.com/diskfs/go-diskfs v1.2.0
 	github.com/docker/distribution v2.8.2+incompatible
@@ -173,25 +172,8 @@
 	dario.cat/mergo v1.0.0 // indirect
 	github.com/AdaLogics/go-fuzz-headers v0.0.0-20230811130428-ced1acdcaa24 // indirect
 	github.com/AdamKorcz/go-118-fuzz-build v0.0.0-20230306123547-8075edf89bb0 // indirect
-	github.com/Azure/azure-sdk-for-go v68.0.0+incompatible // indirect
 	github.com/Azure/go-ansiterm v0.0.0-20210617225240-d185dfc1b5a1 // indirect
-	github.com/Azure/go-autorest v14.2.0+incompatible // indirect
-	github.com/Azure/go-autorest/autorest v0.11.29 // indirect
-	github.com/Azure/go-autorest/autorest/adal v0.9.23 // indirect
-	github.com/Azure/go-autorest/autorest/azure/auth v0.5.12 // indirect
-	github.com/Azure/go-autorest/autorest/azure/cli v0.4.5 // indirect
-	github.com/Azure/go-autorest/autorest/date v0.3.0 // indirect
-	github.com/Azure/go-autorest/autorest/to v0.4.0 // indirect
-	github.com/Azure/go-autorest/logger v0.2.1 // indirect
-	github.com/Azure/go-autorest/tracing v0.6.0 // indirect
 	github.com/BurntSushi/toml v1.2.1 // indirect
-	github.com/DataDog/appsec-internal-go v1.0.0 // indirect
-	github.com/DataDog/datadog-agent/pkg/obfuscate v0.45.0-rc.1 // indirect
-	github.com/DataDog/datadog-agent/pkg/remoteconfig/state v0.48.0-devel.0.20230725154044-2549ba9058df // indirect
-	github.com/DataDog/datadog-go/v5 v5.1.1 // indirect
-	github.com/DataDog/go-libddwaf v1.4.2 // indirect
-	github.com/DataDog/go-tuf v1.0.1-0.5.2 // indirect
-	github.com/DataDog/sketches-go v1.2.1 // indirect
 	github.com/GoogleCloudPlatform/k8s-cloud-provider v1.18.1-0.20220218231025-f11817397a1b // indirect
 	github.com/JeffAshton/win_pdh v0.0.0-20161109143554-76bb4ee9f0ab // indirect
 	github.com/MakeNowJust/heredoc v1.0.0 // indirect
@@ -205,11 +187,8 @@
 	github.com/alecthomas/units v0.0.0-20211218093645-b94a6e3cc137 // indirect
 	github.com/alexflint/go-filemutex v1.2.0 // indirect
 	github.com/antlr/antlr4/runtime/Go/antlr/v4 v4.0.0-20230321174746-8dcc6526cfb1 // indirect
-	github.com/antonmedv/expr v1.13.0 // indirect
-	github.com/apparentlymart/go-cidr v1.1.0 // indirect
 	github.com/armon/circbuf v0.0.0-20150827004946-bbbad097214e // indirect
 	github.com/asaskevich/govalidator v0.0.0-20190424111038-f61b66f89f4a // indirect
-	github.com/aws/aws-sdk-go v1.44.322 // indirect
 	github.com/bazelbuild/buildtools v0.0.0-20201023142455-8a8e1e724705 // indirect
 	github.com/beevik/ntp v1.3.0 // indirect
 	github.com/beorn7/perks v1.0.1 // indirect
@@ -238,7 +217,6 @@
 	github.com/containerd/zfs v1.1.0 // indirect
 	github.com/containernetworking/cni v1.1.2 // indirect
 	github.com/containers/ocicrypt v1.1.6 // indirect
-	github.com/coredns/caddy v1.1.1 // indirect
 	github.com/coreos/go-iptables v0.6.0 // indirect
 	github.com/coreos/go-oidc v2.2.1+incompatible // indirect
 	github.com/coreos/go-semver v0.3.1
@@ -256,27 +234,23 @@
 	github.com/dennwc/ioctl v1.0.0 // indirect
 	github.com/derekparker/trie v0.0.0-20200317170641-1fdf38b7b0e9 // indirect
 	github.com/desertbit/timer v0.0.0-20180107155436-c41aec40b27f // indirect
-	github.com/dimchansky/utfbom v1.1.1 // indirect
 	github.com/distribution/reference v0.5.0 // indirect
-	github.com/dnstap/golang-dnstap v0.4.0 // indirect
 	github.com/docker/go-events v0.0.0-20190806004212-e31b211e4f1c // indirect
 	github.com/docker/go-metrics v0.0.1 // indirect
 	github.com/docker/go-units v0.5.0 // indirect
 	github.com/dustin/go-humanize v1.0.1 // indirect
-	github.com/ebitengine/purego v0.5.0-alpha // indirect
 	github.com/ema/qdisc v1.0.0 // indirect
 	github.com/emicklei/go-restful/v3 v3.11.0 // indirect
 	github.com/envoyproxy/protoc-gen-validate v1.0.4 // indirect
 	github.com/euank/go-kmsg-parser v2.0.0+incompatible // indirect
 	github.com/evanphx/json-patch v5.6.0+incompatible // indirect
 	github.com/exponent-io/jsonpath v0.0.0-20151013193312-d6023ce2651d // indirect
-	github.com/farsightsec/golang-framestream v0.3.0 // indirect
 	github.com/fatih/camelcase v1.0.0 // indirect
 	github.com/fatih/structtag v1.2.0 // indirect
 	github.com/felixge/httpsnoop v1.0.4 // indirect
-	github.com/flynn/go-shlex v0.0.0-20150515145356-3f9db97f8568 // indirect
 	github.com/fsnotify/fsnotify v1.7.0 // indirect
 	github.com/fvbommel/sortorder v1.1.0 // indirect
+	github.com/gin-gonic/gin v1.9.1 // indirect
 	github.com/go-delve/liner v1.2.2-1 // indirect
 	github.com/go-errors/errors v1.4.2 // indirect
 	github.com/go-kit/log v0.2.1 // indirect
@@ -287,7 +261,6 @@
 	github.com/go-openapi/jsonreference v0.20.2 // indirect
 	github.com/go-openapi/swag v0.22.3 // indirect
 	github.com/go-sql-driver/mysql v1.7.1 // indirect
-	github.com/go-task/slim-sprig v0.0.0-20230315185526-52ccab3ef572 // indirect
 	github.com/godbus/dbus/v5 v5.1.0 // indirect
 	github.com/gofrs/flock v0.8.1 // indirect
 	github.com/gogo/protobuf v1.3.2 // indirect
@@ -312,7 +285,6 @@
 	github.com/grpc-ecosystem/go-grpc-prometheus v1.2.0 // indirect
 	github.com/grpc-ecosystem/grpc-gateway v1.16.0 // indirect
 	github.com/grpc-ecosystem/grpc-gateway/v2 v2.16.0 // indirect
-	github.com/grpc-ecosystem/grpc-opentracing v0.0.0-20180507213350-8e809c8a8645 // indirect
 	github.com/hashicorp/errwrap v1.1.0 // indirect
 	github.com/hashicorp/go-envparse v0.1.0 // indirect
 	github.com/hashicorp/go-multierror v1.1.1 // indirect
@@ -322,14 +294,12 @@
 	github.com/illumos/go-kstat v0.0.0-20210513183136-173c9b0a9973 // indirect
 	github.com/imdario/mergo v0.3.13 // indirect
 	github.com/inconshreveable/mousetrap v1.1.0 // indirect
-	github.com/infobloxopen/go-trees v0.0.0-20200715205103-96a057b8dfb9 // indirect
 	github.com/intel/goresctrl v0.3.0 // indirect
 	github.com/jackc/pgpassfile v1.0.0 // indirect
 	github.com/jackc/pgservicefile v0.0.0-20221227161230-091c0ba34f0a // indirect
 	github.com/jackc/pgx/v5 v5.4.3 // indirect
 	github.com/jackc/puddle/v2 v2.2.1 // indirect
 	github.com/jinzhu/inflection v1.0.0 // indirect
-	github.com/jmespath/go-jmespath v0.4.0 // indirect
 	github.com/jonboulle/clockwork v0.2.2 // indirect
 	github.com/josharian/intern v1.0.0 // indirect
 	github.com/josharian/native v1.1.0 // indirect
@@ -351,7 +321,6 @@
 	github.com/mattn/go-runewidth v0.0.14 // indirect
 	github.com/mattn/go-sqlite3 v1.14.17 // indirect
 	github.com/mattn/go-xmlrpc v0.0.3 // indirect
-	github.com/matttproud/golang_protobuf_extensions v1.0.4 // indirect
 	github.com/matttproud/golang_protobuf_extensions/v2 v2.0.0 // indirect
 	github.com/mdlayher/socket v0.5.0 // indirect
 	github.com/mdlayher/wifi v0.1.0 // indirect
@@ -360,7 +329,6 @@
 	github.com/mistifyio/go-zfs v2.1.2-0.20190413222219-f784269be439+incompatible // indirect
 	github.com/mistifyio/go-zfs/v3 v3.0.1 // indirect
 	github.com/mitchellh/copystructure v1.0.0 // indirect
-	github.com/mitchellh/go-homedir v1.1.0 // indirect
 	github.com/mitchellh/reflectwalk v1.0.1 // indirect
 	github.com/moby/locker v1.0.1 // indirect
 	github.com/moby/spdystream v0.2.0 // indirect
@@ -380,22 +348,13 @@
 	github.com/mwitkow/go-conntrack v0.0.0-20190716064945-2f068394615f // indirect
 	github.com/mwitkow/go-proto-validators v0.2.0 // indirect
 	github.com/mxk/go-flowrate v0.0.0-20140419014527-cca7078d478f // indirect
-	github.com/onsi/ginkgo/v2 v2.15.0 // indirect
 	github.com/opencontainers/image-spec v1.1.0-rc2.0.20221005185240-3a7f492d3f1b // indirect
 	github.com/opencontainers/runtime-spec v1.1.0 // indirect
 	github.com/opencontainers/runtime-tools v0.9.1-0.20221107090550-2e043c6bd626 // indirect
 	github.com/opencontainers/selinux v1.11.0 // indirect
-	github.com/opentracing-contrib/go-observer v0.0.0-20170622124052-a52f23424492 // indirect
-	github.com/opentracing/opentracing-go v1.2.0 // indirect
-	github.com/openzipkin-contrib/zipkin-go-opentracing v0.5.0 // indirect
-	github.com/openzipkin/zipkin-go v0.4.2 // indirect
-	github.com/oschwald/geoip2-golang v1.9.0 // indirect
-	github.com/oschwald/maxminddb-golang v1.11.0 // indirect
-	github.com/outcaste-io/ristretto v0.2.1 // indirect
 	github.com/pelletier/go-toml v1.9.5 // indirect
 	github.com/peterbourgon/diskv v2.0.1+incompatible // indirect
 	github.com/pganalyze/pg_query_go/v4 v4.2.3 // indirect
-	github.com/philhofer/fwd v1.1.2 // indirect
 	github.com/pierrec/lz4 v2.6.1+incompatible // indirect
 	github.com/pierrec/lz4/v4 v4.1.17 // indirect
 	github.com/pingcap/errors v0.11.5-0.20210425183316-da1aaba5fb63 // indirect
@@ -411,8 +370,6 @@
 	github.com/prometheus/exporter-toolkit v0.10.0 // indirect
 	github.com/prometheus/procfs v0.12.0 // indirect
 	github.com/pseudomuto/protokit v0.2.0 // indirect
-	github.com/quic-go/qtls-go1-20 v0.3.1 // indirect
-	github.com/quic-go/quic-go v0.37.4 // indirect
 	github.com/remyoudompheng/bigfft v0.0.0-20230129092748-24d4a6f8daec // indirect
 	github.com/rivo/uniseg v0.2.0 // indirect
 	github.com/riza-io/grpc-go v0.2.0 // indirect
@@ -423,14 +380,12 @@
 	github.com/sassoftware/go-rpmutils v0.1.1 // indirect
 	github.com/sbezverk/nftableslib v0.0.0-20210111145735-b08b2d804e1f // indirect
 	github.com/seccomp/libseccomp-golang v0.10.0 // indirect
-	github.com/secure-systems-lab/go-securesystemslib v0.7.0 // indirect
 	github.com/sirupsen/logrus v1.9.3 // indirect
 	github.com/soheilhy/cmux v0.1.5 // indirect
 	github.com/stefanberger/go-pkcs11uri v0.0.0-20201008174630-78d3cae3a980 // indirect
 	github.com/stoewer/go-strcase v1.3.0 // indirect
 	github.com/syndtr/gocapability v0.0.0-20200815063812-42c35b437635 // indirect
 	github.com/tchap/go-patricia/v2 v2.3.1 // indirect
-	github.com/tinylib/msgp v1.1.8 // indirect
 	github.com/tmc/grpc-websocket-proxy v0.0.0-20220101234140-673ab2c3ae75 // indirect
 	github.com/u-root/uio v0.0.0-20230220225925-ffce2a382923 // indirect
 	github.com/ulikunitz/xz v0.5.7 // indirect
@@ -458,20 +413,16 @@
 	go.opentelemetry.io/otel/trace v1.22.0 // indirect
 	go.opentelemetry.io/proto/otlp v1.0.0 // indirect
 	go.uber.org/atomic v1.11.0 // indirect
-	go4.org/intern v0.0.0-20211027215823-ae77deb06f29 // indirect
-	go4.org/unsafe/assume-no-moving-gc v0.0.0-20220617031537-928513b29760 // indirect
 	golang.org/x/arch v0.3.0 // indirect
 	golang.org/x/exp v0.0.0-20240416160154-fe59bbe5cc7f // indirect
 	golang.org/x/exp/typeparams v0.0.0-20221208152030-732eee02a75a // indirect
 	golang.org/x/oauth2 v0.17.0 // indirect
 	golang.org/x/term v0.18.0 // indirect
-	golang.org/x/xerrors v0.0.0-20220907171357-04be3eba64a2 // indirect
 	golang.zx2c4.com/wireguard v0.0.0-20220202223031-3b95c81cc178 // indirect
 	google.golang.org/api v0.162.0 // indirect
 	google.golang.org/appengine v1.6.8 // indirect
 	google.golang.org/genproto v0.0.0-20240227224415-6ceb2ff114de // indirect
 	google.golang.org/genproto/googleapis/rpc v0.0.0-20240415180920-8c6c420018be // indirect
-	gopkg.in/DataDog/dd-trace-go.v1 v1.54.0 // indirect
 	gopkg.in/djherbis/times.v1 v1.2.0 // indirect
 	gopkg.in/gcfg.v1 v1.2.3 // indirect
 	gopkg.in/inf.v0 v0.9.1 // indirect
@@ -481,7 +432,6 @@
 	gopkg.in/yaml.v2 v2.4.0 // indirect
 	gopkg.in/yaml.v3 v3.0.1 // indirect
 	howett.net/plist v1.0.0 // indirect
-	inet.af/netaddr v0.0.0-20220811202034-502d2d690317 // indirect
 	k8s.io/apiextensions-apiserver v0.0.0 // indirect
 	k8s.io/cloud-provider v0.30.2 // indirect
 	k8s.io/cluster-bootstrap v0.0.0 // indirect