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/consensus/consensus.go b/metropolis/node/core/consensus/consensus.go
index 3244972..e749f7b 100644
--- a/metropolis/node/core/consensus/consensus.go
+++ b/metropolis/node/core/consensus/consensus.go
@@ -102,11 +102,11 @@
 
 	"source.monogon.dev/metropolis/node/core/consensus/client"
 	"source.monogon.dev/metropolis/node/core/identity"
-	"source.monogon.dev/metropolis/pkg/event"
-	"source.monogon.dev/metropolis/pkg/event/memory"
-	"source.monogon.dev/metropolis/pkg/logtree/unraw"
-	"source.monogon.dev/metropolis/pkg/pki"
-	"source.monogon.dev/metropolis/pkg/supervisor"
+	"source.monogon.dev/osbase/event"
+	"source.monogon.dev/osbase/event/memory"
+	"source.monogon.dev/osbase/logtree/unraw"
+	"source.monogon.dev/osbase/pki"
+	"source.monogon.dev/osbase/supervisor"
 )
 
 var (