
This removes our Gerrit 3.4 image builds as well as testing. We should land this after an appropriate amount of time has passed since the 3.5 upgrade that we are unlikely to revert. Depends-On: https://review.opendev.org/c/openstack/project-config/+/847057 Change-Id: Iefa7cc1157311f0239794b15bea7c93f0c625a93