Apply fixes from StyleCI (#489)

Author: rennokki

src/Contracts/PushesToPusher.php

@@ -2,7 +2,6 @@
 
 namespace BeyondCode\LaravelWebSockets\Contracts;
 
-use BeyondCode\LaravelWebSockets\PubSub\Broadcasters\RedisPusherBroadcaster;
 use Illuminate\Broadcasting\Broadcasters\PusherBroadcaster;
 use Pusher\Pusher;
 

src/HttpApi/Controllers/Controller.php

@@ -3,6 +3,7 @@
 namespace BeyondCode\LaravelWebSockets\HttpApi\Controllers;
 
 use BeyondCode\LaravelWebSockets\Apps\App;
+use BeyondCode\LaravelWebSockets\PubSub\ReplicationInterface;
 use BeyondCode\LaravelWebSockets\QueryParameters;
 use BeyondCode\LaravelWebSockets\WebSockets\Channels\ChannelManager;
 use Exception;
@@ -19,7 +20,6 @@
 use React\Promise\PromiseInterface;
 use Symfony\Bridge\PsrHttpMessage\Factory\HttpFoundationFactory;
 use Symfony\Component\HttpKernel\Exception\HttpException;
-use BeyondCode\LaravelWebSockets\PubSub\ReplicationInterface;
 
 abstract class Controller implements HttpServerInterface
 {

src/HttpApi/Controllers/FetchChannelsController.php

@@ -2,8 +2,6 @@
 
 namespace BeyondCode\LaravelWebSockets\HttpApi\Controllers;
 
-use BeyondCode\LaravelWebSockets\PubSub\ReplicationInterface;
-use BeyondCode\LaravelWebSockets\WebSockets\Channels\ChannelManager;
 use BeyondCode\LaravelWebSockets\WebSockets\Channels\PresenceChannel;
 use Illuminate\Http\Request;
 use Illuminate\Support\Collection;

src/WebSocketsServiceProvider.php

@@ -12,12 +12,9 @@
 use BeyondCode\LaravelWebSockets\Statistics\Drivers\StatisticsDriver;
 use BeyondCode\LaravelWebSockets\WebSockets\Channels\ChannelManager;
 use BeyondCode\LaravelWebSockets\WebSockets\Channels\ChannelManagers\ArrayChannelManager;
-use Illuminate\Broadcasting\BroadcastManager;
 use Illuminate\Support\Facades\Gate;
 use Illuminate\Support\Facades\Route;
 use Illuminate\Support\ServiceProvider;
-use Psr\Log\LoggerInterface;
-use Pusher\Pusher;
 
 class WebSocketsServiceProvider extends ServiceProvider
 {