Apply fixes from StyleCI

app/Server/Http/Controllers/ControlMessageController.php

@@ -8,7 +8,6 @@ use App\Http\QueryParameters;
 use Ratchet\ConnectionInterface;
 use Ratchet\WebSocket\MessageComponentInterface;
 use React\Promise\Deferred;
-use React\Promise\FulfilledPromise;
 use React\Promise\PromiseInterface;
 use stdClass;
 

tests/Feature/Server/ApiTest.php

@@ -6,7 +6,6 @@ use App\Contracts\ConnectionManager;
 use App\Server\Factory;
 use Clue\React\Buzz\Browser;
 use GuzzleHttp\Psr7\Response;
-use Illuminate\Support\Str;
 use Nyholm\Psr7\Request;
 use Ratchet\Server\IoConnection;
 use Tests\Feature\TestCase;