Add project delete REST API endpoint

Replace direct call to the delete-project plugin REST API endpoint with
the call to the pull-replication REST API. This allows to add some
custom logic before triggering project deletion.

Bug: Issue 15392
Change-Id: I26f080004c37c959abe487fbc50a561d5b24a8b0
7 files changed
tree: 8d05b1347427e336cedd1bfa789f6290bebfe5e3
  1. src/
  2. BUILD
  3. Jenkinsfile