Tricirle project is retired now. This commit finish the infra cleanup for the deliverables under Tricircle project. Depends-On: https://review.opendev.org/#/c/728886/ Depends-On: https://review.opendev.org/#/c/728890/ Needed-By: https://review.opendev.org/#/c/728890/ Change-Id: I8f4b04924e42d93e4bde39b23651128d762d7331