Remove deprecated rpc_backend

Removes the deprecated rpc_backend parameter.

Change-Id: I06c3103755a7bd6158b70dbadcbb2fbb3000f982

manifests/init.pp

@@ -238,12 +238,6 @@
 #   (Optional) Keystone version to use.
 #   Defaults to '3'
 #
-# DEPRECATED PARAMETERS
-#
-# [*rpc_backend*]
-#   (Optional) Use these options to configure the message system.
-#   Defaults to $::os_service_default.
-#
 class cloudkitty(
   $package_ensure                     = 'present',
   $rabbit_use_ssl                     = $::os_service_default,
@@ -293,8 +287,6 @@ class cloudkitty(
   $tenant_fetcher_backend             = $::os_service_default,
   $auth_section                       = 'keystone_authtoken',
   $keystone_version                   = '3',
-  # DEPRECATED PARAMETERS
-  $rpc_backend                        = $::os_service_default,
 ) {
 
   include ::cloudkitty::params
@@ -313,10 +305,6 @@ class cloudkitty(
     purge => $purge_config,
   }
 
-  if $rpc_backend {
-    warning('The rpc_backend parameter has been deprecated, please use default_transport_url instead.')
-  }
-
   oslo::messaging::rabbit { 'cloudkitty_config':
     rabbit_ha_queues            => $rabbit_ha_queues,
     rabbit_use_ssl              => $rabbit_use_ssl,

releasenotes/notes/remove-deprecated-rpc_backend-af9708f63ea2b7d3.yaml

@@ -0,0 +1,5 @@
+---
+upgrade:
+  - |
+    The deprecated parameter cloudkitty::rpc_backend is removed.
+    Please use cloudkitty::default_transport_url instead.