This reverts commit b86c304a.

Reason for revert: We want to enable Quorum Queues by default in Caracal, without requiring two queue migrations between releases. See etherpad for details: https://etherpad.opendev.org/p/kolla-ansible-rmq-quorum-queues-proposal

Change-Id: Ia19ab97f538125475297976347c5da332a7fdda7