[feature/module_services] Pass phpBB dbal driver to module uninstall method

portal/modules/portal_search.php

@@ -78,7 +78,7 @@ class portal_search_module extends \board3\portal\modules\module_base
 		return true;
 	}
 
-	public function uninstall($module_id)
+	public function uninstall($module_id, $db)
 	{
 		return true;
 	}