Update git submodules
Update git submodules

* Update plugins/delete-project from branch 'master'
  to 8fe544ac569efa357ee054257143d8e1d4aa6afd
  - Use base url for return url after deleting a repo
    
    Change-Id: I1d1a9b6a7744b8427297d57a7684d207436570cd
    
GerritCodeReview/gerrit,GerritCodeReview/gerrit,GerritCodeReview/gerrit,GerritCodeReview/gerrit,GerritCodeReview/gerrit,GerritCodeReview/gerrit,GerritCodeReview/gerrit,GerritCodeReview/gerrit