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

openstack/tripleo-heat-templates,openstack/tripleo-heat-templates,dprince/tripleo-heat-templates,dprince/tripleo-heat-templates