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/node/core/main.go b/metropolis/node/core/main.go
index 9a7e39e..e9d1ad1 100644
--- a/metropolis/node/core/main.go
+++ b/metropolis/node/core/main.go
@@ -36,10 +36,10 @@
 	"source.monogon.dev/metropolis/node/core/rpc/resolver"
 	timesvc "source.monogon.dev/metropolis/node/core/time"
 	"source.monogon.dev/metropolis/node/core/update"
-	"source.monogon.dev/metropolis/pkg/logtree"
-	"source.monogon.dev/metropolis/pkg/supervisor"
-	"source.monogon.dev/metropolis/pkg/tpm"
 	mversion "source.monogon.dev/metropolis/version"
+	"source.monogon.dev/osbase/logtree"
+	"source.monogon.dev/osbase/supervisor"
+	"source.monogon.dev/osbase/tpm"
 	"source.monogon.dev/version"
 )