Update puppet-postgresql and remove unless

modules/discourse/manifests/postactiontype.pp

 define discourse::postactiontype(
   $id,
   $key = $title,
   $is_flag = false,
   $icon = undef,
   $position = 0,
   $ensure = 'present'
 ) {
   # Attempt some escaping
   $escaped_id = regsubst($id, '\D', '', 'G')
@@ skipping 18 matching lines @@
       err("unknown ensure value ${ensure}")
     }
     present: {
       # This is apparently how you do a conditional INSERT in PostgreSQL - sorry
       $update_sql = "UPDATE post_action_types SET name_key = '$escaped_key', is_flag = $escaped_flag, icon = $escaped_icon, position = $escaped_position WHERE id = $escaped_id RETURNING 1"
       $columns = "id, name_key, is_flag, icon, position, created_at, updated_at"
       $values = "SELECT $escaped_id, '$escaped_key', $escaped_flag, $escaped_icon, $escaped_position, CURRENT_TIMESTAMP, CURRENT_TIMESTAMP"
 
       postgresql_psql {"WITH upd AS ($update_sql) INSERT INTO post_action_types ($columns) $values WHERE NOT EXISTS (SELECT * FROM upd)":
         db => 'discourse',
-        psql_user => 'discourse',
-        unless => 'SELECT false'
+        psql_user => 'discourse'
       }
     }
     absent: {
       postgresql_psql {"DELETE FROM post_action_types WHERE id = $escaped_id":
         db => 'discourse',
-        psql_user => 'discourse',
-        unless => 'SELECT false'
+        psql_user => 'discourse'
       }
     }
   }
 }