added missing language string already present in default theme

cfoe

2012-05-22 0ae667e6cfdd1bcc85bacf85cd93a84f99fa88f8

 interface/web/admin/lib/lang/pl_system_config.lng

@@ -28,4 +28,3 @@
$wb['monitor_key_txt'] = 'Klucz monitora';
$wb['admin_name_txt'] = 'Nazwy administratorów';
?>