Added a flash message "your account has been deleted"

controllers/user.js

@@ -184,6 +184,7 @@ exports.postDeleteAccount = function(req, res, next) {
   User.remove({ _id: req.user.id }, function(err) {
     if (err) return next(err);
     req.logout();
+    req.flash('info', { msg: 'Your account has been deleted.' });
     res.redirect('/');
   });
 };