Remove deprecated database_min_pool_size

... because it was deprecated during Ussuri cycle.

Change-Id: Ia9cbd53825cc82ca33d5688cb27405d88ae46e36

manifests/db.pp

@@ -56,10 +56,6 @@
 #   Timeout when db connections should be reaped.
 #   (Optional) Defaults to undef.
 #
-# [*database_min_pool_size*]
-#   Minimum number of SQL connections to keep open in a pool.
-#   (Optional) Defaults to undef.
-#
 class designate::db (
   $database_db_max_retries          = $::os_service_default,
   $database_connection              = 'mysql://designate:designate@localhost/designate',
@@ -73,7 +69,6 @@ class designate::db (
   $sync_db                          = true,
   # DEPRECATED PARAMETERS
   $database_idle_timeout            = undef,
-  $database_min_pool_size           = undef,
 ) {
 
   include designate::deps
@@ -83,11 +78,6 @@ class designate::db (
 removed in a future release.')
   }
 
-  if $database_min_pool_size != undef {
-    warning('The database_min_pool_size parameter is deprecated, and will be \
-removed in a future release.')
-  }
-
   oslo::db { 'designate_config':
     config_group            => 'storage:sqlalchemy',
     db_max_retries          => $database_db_max_retries,

releasenotes/notes/remove-database_min_pool_size-fa4b3c7d12243a1a.yaml

@@ -0,0 +1,4 @@
+---
+upgrade:
+  - |
+    The ``designate::db::database_min_pool_size`` parameter has been removed.