metropolis/cli/pkg/context: replace with signal.NotifyContext

Change-Id: I457ccb83c7e25988755bb9463a8c83fc328a722b
Reviewed-on: https://review.monogon.dev/c/monogon/+/3081
Tested-by: Jenkins CI
Reviewed-by: Serge Bazanski <serge@monogon.tech>
diff --git a/cloud/bmaas/server/cmd/BUILD.bazel b/cloud/bmaas/server/cmd/BUILD.bazel
index 958f2c4..9f3ce58 100644
--- a/cloud/bmaas/server/cmd/BUILD.bazel
+++ b/cloud/bmaas/server/cmd/BUILD.bazel
@@ -8,7 +8,6 @@
     visibility = ["//visibility:private"],
     deps = [
         "//cloud/bmaas/server",
-        "//metropolis/cli/pkg/context",
         "@io_k8s_klog_v2//:klog",
     ],
 )
diff --git a/cloud/bmaas/server/cmd/main.go b/cloud/bmaas/server/cmd/main.go
index dd99205..8dbb7f8 100644
--- a/cloud/bmaas/server/cmd/main.go
+++ b/cloud/bmaas/server/cmd/main.go
@@ -3,11 +3,12 @@
 import (
 	"context"
 	"flag"
+	"os"
+	"os/signal"
 
 	"k8s.io/klog/v2"
 
 	"source.monogon.dev/cloud/bmaas/server"
-	clicontext "source.monogon.dev/metropolis/cli/pkg/context"
 )
 
 func main() {
@@ -18,7 +19,7 @@
 		klog.Exitf("unexpected positional arguments: %v", flag.Args())
 	}
 
-	ctx := clicontext.WithInterrupt(context.Background())
+	ctx, _ := signal.NotifyContext(context.Background(), os.Interrupt)
 	s.Start(ctx)
 	select {}
 }