---
upgrade:
  - |
    Removes old messaging transport aliases. These are listed below with the
    new value that should be used.

    * ``ironic.rpc.impl_kombu`` -> ``rabbit``
    * ``ironic.rpc.impl_qpid`` -> ``qpid``
    * ``ironic.rpc.impl_zmq`` -> ``zmq``

Add release note for messaging alias removal
Add release note for messaging alias removal

These were removed in 330ba8c502880a16db4d2673ab36358f559711ec but was
missing a release note. Add one in.

Change-Id: I34521c459805c8d4bce6830c0b31bd252df714fb
