[baseserver] Restore ownership to common-go

Author: csweichel

.github/CODEOWNERS

@@ -6,7 +6,6 @@
 
 /components/blobserve @gitpod-io/engineering-workspace
 /components/common-go @gitpod-io/engineering-workspace @gitpod-io/engineering-webapp
-/components/common-go/baseserver @gitpod-io/engineering-webapp
 /components/content-service-api @csweichel @geropl
 /components/content-service @gitpod-io/engineering-workspace
 /components/dashboard @gitpod-io/engineering-webapp