Unable to open menu in Module manager

layouts/v7/modules/Settings/ModuleManager/resources/ModuleImport.js

+/*+***********************************************************************************
+ * The contents of this file are subject to the vtiger CRM Public License Version 1.1
+ * ("License"); You may not use this file except in compliance with the License
+ * The Original Code is: vtiger CRM Open Source
+ * The Initial Developer of the Original Code is vtiger.
+ * Portions created by vtiger are Copyright (C) vtiger.
+ * All Rights Reserved.
+ *************************************************************************************/
+
+Settings_Module_Manager_Js('Settings_ModuleManager_ModuleImport_Js', {}, {});
\ No newline at end of file

layouts/v7/modules/Settings/ModuleManager/resources/ModuleManager.js

@@ -173,7 +173,4 @@ Vtiger_Index_Js('Settings_Module_Manager_Js', {
 			}
 		});
 	}
-});
-
-var moduleManagerInstance = new Settings_Module_Manager_Js();
-moduleManagerInstance.registerEvents();
+});
\ No newline at end of file