
During the Train cycle, Bifrost switched to using JSON-RPC by default for Ironic's internal communication [1], avoiding the need to install RabbitMQ. This simplifies things, so we may as well remove our custom configuration of RabbitMQ. [1] https://review.openstack.org/645093 Change-Id: I3107349530aa753d68fd59baaf13eb7dd5485ae6