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/metropolis/cli/metroctl/core/BUILD.bazel b/metropolis/cli/metroctl/core/BUILD.bazel
index 1795765..36f02c3 100644
--- a/metropolis/cli/metroctl/core/BUILD.bazel
+++ b/metropolis/cli/metroctl/core/BUILD.bazel
@@ -16,10 +16,10 @@
         "//metropolis/node/core/curator/proto/api",
         "//metropolis/node/core/rpc",
         "//metropolis/node/core/rpc/resolver",
-        "//metropolis/pkg/blockdev",
-        "//metropolis/pkg/fat32",
-        "//metropolis/pkg/gpt",
         "//metropolis/proto/api",
+        "//osbase/blockdev",
+        "//osbase/fat32",
+        "//osbase/gpt",
         "@io_k8s_client_go//pkg/apis/clientauthentication/v1:clientauthentication",
         "@io_k8s_client_go//tools/clientcmd",
         "@io_k8s_client_go//tools/clientcmd/api",