treewide: introduce osbase package and move things around

All except localregistry moved from metropolis/pkg to osbase,
localregistry moved to metropolis/test as its only used there anyway.

Change-Id: If1a4bf377364bef0ac23169e1b90379c71b06d72
Reviewed-on: https://review.monogon.dev/c/monogon/+/3079
Tested-by: Jenkins CI
Reviewed-by: Serge Bazanski <serge@monogon.tech>
diff --git a/cloud/agent/takeover/takeover.go b/cloud/agent/takeover/takeover.go
index 645b27e..ffc3a6e 100644
--- a/cloud/agent/takeover/takeover.go
+++ b/cloud/agent/takeover/takeover.go
@@ -32,10 +32,10 @@
 	"google.golang.org/protobuf/proto"
 
 	"source.monogon.dev/cloud/agent/api"
-	"source.monogon.dev/metropolis/pkg/bootparam"
-	"source.monogon.dev/metropolis/pkg/kexec"
 	netdump "source.monogon.dev/net/dump"
 	netapi "source.monogon.dev/net/proto"
+	"source.monogon.dev/osbase/bootparam"
+	"source.monogon.dev/osbase/kexec"
 )
 
 //go:embed third_party/linux/bzImage