Removed unused variable from click events.

public/src/admin/manage/registration.js

@@ -8,7 +8,6 @@ define('admin/manage/registration', function() {
 	Registration.init = function() {
 
 		$('.users-list').on('click', '[data-action]', function(ev) {
-			var $this = this;
 			var parent = $(this).parents('[data-username]');
 			var action = $(this).attr('data-action');
 			var username = parent.attr('data-username');
@@ -24,7 +23,6 @@ define('admin/manage/registration', function() {
 		});
 
 		$('.invites-list').on('click', '[data-action]', function(ev) {
-			var $this = this;
 			var parent = $(this).parents('[data-invitation-mail][data-invited-by]');
 			var email = parent.attr('data-invitation-mail');
 			var invitedBy = parent.attr('data-invited-by');