coordination: Remove heartbeat_interval

This parameter was deprecated during the previous cycle[1].

[1] c7fa10285d33e9a6721773faf74e3e2d5c586031

Change-Id: Ib253453b39ae7ac68b6e85db8b262cd201413a5c

manifests/coordination.pp

@@ -8,32 +8,16 @@
 #   (Optional) Coordination backend URL.
 #   Defaults to $facts['os_service_default']
 #
-# DEPRECATED PARAMETERS
-#
-# [*heartbeat_interval*]
-#   (Optional) Number of seconds between heartbeats for coordination.
-#   Defaults to undef
-#
 class mistral::coordination (
-  $backend_url        = $facts['os_service_default'],
+  $backend_url = $facts['os_service_default'],
-  # DEPRECATED PARAMETERS
-  $heartbeat_interval = undef,
 ) {
 
   include mistral::deps
 
-  if $heartbeat_interval != undef {
-    warning('The heartbeat_interval parameter has been deprecated and has no effect.')
-  }
-
   oslo::coordination{ 'mistral_config':
     backend_url => $backend_url
   }
 
-  mistral_config {
-    'coordination/heartbeat_interval': ensure => absent;
-  }
-
   # all coordination settings should be applied and all packages should be
   # installed before service startup
   Oslo::Coordination['mistral_config'] -> Anchor['mistral::service::begin']

releasenotes/notes/remove-coordination-heartbeat_interval-719d61392b7e7db7.yaml

@@ -0,0 +1,5 @@
+---
+upgrade:
+  - |
+    The deprecated ``mistral::coordination::heartbeat_interval`` parameter has
+    been removed.