Remove the Queens stable branch jobs from master gate

Patrole 0.8.0 is released now, which marks the end of support
for Queens release - https://review.opendev.org/#/c/703523/

We do not need to run the Queens stable jobs on master gate now.

Depends-On: https://review.opendev.org/#/c/703523/
Change-Id: I36f519afb422eae8c7cc62b03893aacb01c7fe44
1 file changed