Remove deprecated floodgate

src/Post/Event/CheckingForFlooding.php

@@ -1,31 +0,0 @@
-<?php
-
-/*
- * This file is part of Flarum.
- *
- * For detailed copyright and license information, please view the
- * LICENSE file that was distributed with this source code.
- */
-
-namespace Flarum\Post\Event;
-
-use Flarum\User\User;
-
-/**
- * @deprecated beta 15, remove beta 16
- */
-class CheckingForFlooding
-{
-    /**
-     * @var User
-     */
-    public $actor;
-
-    /**
-     * @param User|null $actor
-     */
-    public function __construct(User $actor = null)
-    {
-        $this->actor = $actor;
-    }
-}

src/Post/Floodgate.php

@@ -1,60 +0,0 @@
-<?php
-
-/*
- * This file is part of Flarum.
- *
- * For detailed copyright and license information, please view the
- * LICENSE file that was distributed with this source code.
- */
-
-namespace Flarum\Post;
-
-use DateTime;
-use Flarum\Post\Event\CheckingForFlooding;
-use Flarum\Post\Exception\FloodingException;
-use Flarum\User\User;
-use Illuminate\Contracts\Events\Dispatcher;
-
-/**
- * @deprecated beta 14, removed beta 15 in favor of Floodgate middleware
- */
-class Floodgate
-{
-    /**
-     * @var Dispatcher
-     */
-    protected $events;
-
-    public function __construct(Dispatcher $events)
-    {
-        $this->events = $events;
-    }
-
-    /**
-     * @param User $actor
-     * @throws FloodingException
-     */
-    public function assertNotFlooding(User $actor)
-    {
-        if ($actor->can('postWithoutThrottle')) {
-            return;
-        }
-
-        if ($this->isFlooding($actor)) {
-            throw new FloodingException;
-        }
-    }
-
-    /**
-     * @param User $actor
-     * @return bool
-     */
-    public function isFlooding(User $actor): bool
-    {
-        $isFlooding = $this->events->until(
-            new CheckingForFlooding($actor)
-        );
-
-        return $isFlooding ?? Post::where('user_id', $actor->id)->where('created_at', '>=', new DateTime('-10 seconds'))->exists();
-    }
-}