Remove subject id from the VC

Subject id must be represented in specific format, while currently it's arbitrarily contructed from policy group/name/version and causes problems with VC/VP signatures.

added DevInProgress label

requested review from @yordan.kinkov

assigned to @lyuben.penkovski

enabled an automatic merge when the pipeline for a482efd2 succeeds

mentioned in commit 49e0c742

merged