query cache is deprecated in MySQL 8

Author: zpetr

manifests/params.pp

@@ -474,8 +474,6 @@
       'max_connections'       => '151',
       'pid-file'              => $mysql::params::pidfile,
       'port'                  => '3306',
-      'query_cache_limit'     => '1M',
-      'query_cache_size'      => '16M',
       'skip-external-locking' => true,
       'socket'                => $mysql::params::socket,
       'ssl'                   => false,