Revert "RabbitMQ - Increase restart timeouts"

This reverts commit 7b8517880ba1ace0ac9520e49783841d9acd3dfd.
We are consistently hitting the timeout on F20 in CI.

Change-Id: Ib38777a8e11b9e15386deaed951cbb821c5fbcc1
Merge "Revert "RabbitMQ - Increase restart timeouts""