swift/proxy: remove swift::proxy::ceilometer::rabbit_host
swift/proxy: remove swift::proxy::ceilometer::rabbit_host

The param is now managed in puppet-tripleo like other services.

Change-Id: I306aa6ac6e2cfc0d4602e15e11564a6be096a121
Depends-On: Ibc0ed642931dd3ada7ee594bb8c70a1c3462206d
(cherry picked from commit a560e988742c38aa328c8b683fca5be042b4820e)

trozet/opnfv-tht,trozet/opnfv-tht,trozet/opnfv-tht