remove job settings for OpenStack Charms repositories
remove job settings for OpenStack Charms repositories

This is a mechanically generated patch to remove the job settings that
have been migrated to the git repositories owned by the OpenStack Charms team.

See the python3-first goal document for details:
https://governance.openstack.org/tc/goals/stein/python3-first.html

Change-Id: Ic6cbb1fef9577df9a21271962c06d872311c3fed
Story: #2002586
Task: #24317

openstack-infra/project-config,openstack-infra/project-config