Fix login cookie

Caused by the change of toggle to an integer, which _exists cant check for.
Ommiting the value doesnt have security implications, so just dont check for it.

app/classes/User.php

@@ -19,8 +19,7 @@ class User {
 		if (!$success &&
 			_exists($_COOKIE, 'id') &&
 			_exists($_COOKIE, 'username') &&
-			_exists($_COOKIE, 'salt') &&
+			_exists($_COOKIE, 'salt')) {
-			_exists($_COOKIE, 'toggle')) {
 
 			$user = UserModel::find($_COOKIE['id']);