remove job settings for tricircle repositories
remove job settings for tricircle repositories

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

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

Change-Id: I1b080c42eb2ece19711ae546d6a3bc98e9dcf570
Story: #2002586
Task: #24340

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