- fixed email templates for multisite;

- fixed upgrade script to 2.0.x version for multisites;

includes/admin/core/class-admin-enqueue.php

@@ -156,7 +156,6 @@ if ( ! class_exists( 'um\admin\core\Admin_Enqueue' ) ) {
 			wp_enqueue_script( 'um_admin_settings' );
 
 			$localize_data = array(
-				'delete_email_template' => UM()->get_ajax_route( 'um\core\Mail', 'delete_email_template' ),
 				'onbeforeunload_text' => __( 'Are sure, maybe some settings not saved', 'ultimate-member' ),
 				'texts' => array(
 					'remove' => __( 'Remove', 'ultimate-member' ),