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/BUILD.bazel b/metropolis/cli/metroctl/BUILD.bazel
index 37f4b56..e390ff8 100644
--- a/metropolis/cli/metroctl/BUILD.bazel
+++ b/metropolis/cli/metroctl/BUILD.bazel
@@ -46,12 +46,12 @@
         "//metropolis/node/core/identity",
         "//metropolis/node/core/rpc",
         "//metropolis/node/core/rpc/resolver",
-        "//metropolis/pkg/blkio",
-        "//metropolis/pkg/fat32",
-        "//metropolis/pkg/logtree",
-        "//metropolis/pkg/logtree/proto",
         "//metropolis/proto/api",
         "//metropolis/proto/common",
+        "//osbase/blkio",
+        "//osbase/fat32",
+        "//osbase/logtree",
+        "//osbase/logtree/proto",
         "//version",
         "@com_github_adrg_xdg//:xdg",
         "@com_github_spf13_cobra//:cobra",