moved GetDisplayName event to User namespace (#1768)

src/Event/GetDisplayName.php

@@ -1,30 +0,0 @@
-<?php
-
-/*
- * This file is part of Flarum.
- *
- * (c) Toby Zerner <toby.zerner@gmail.com>
- *
- * For the full copyright and license information, please view the LICENSE
- * file that was distributed with this source code.
- */
-
-namespace Flarum\Event;
-
-use Flarum\User\User;
-
-class GetDisplayName
-{
-    /**
-     * @var User
-     */
-    public $user;
-
-    /**
-     * @param User $user
-     */
-    public function __construct(User $user)
-    {
-        $this->user = $user;
-    }
-}