The repo has been forked and is maintained elsewhere.
OpenStack does not need it anymore, so retire it.
Depends-On: https://review.opendev.org/702745
Change-Id: I0787450fdc66beba7d191280b9d208ab2fc024d6
JSON build info is now emitted in the published events and the plugin is
configurable. Config option include whether or not events should be
emitted (global option and per project option) and the TCP port to
listen on.