Apply fixes from StyleCI (#470)

src/Apps/ConfigAppManager.php

@@ -2,8 +2,6 @@
 
 namespace BeyondCode\LaravelWebSockets\Apps;
 
-use Illuminate\Support\Collection;
-
 class ConfigAppManager implements AppManager
 {
     /**

src/Server/Logger/ConnectionLogger.php

@@ -17,7 +17,7 @@ class ConnectionLogger extends Logger implements ConnectionInterface
      * Create a new instance and add a connection to watch.
      *
      * @param  \Ratchet\ConnectionInterface  $connection
-     * @return Self
+     * @return self
      */
     public static function decorate(ConnectionInterface $app): self
     {

src/Server/Logger/HttpLogger.php

@@ -19,7 +19,7 @@ class HttpLogger extends Logger implements MessageComponentInterface
      * Create a new instance and add the app to watch.
      *
      * @param  \Ratchet\MessageComponentInterface  $app
-     * @return Self
+     * @return self
      */
     public static function decorate(MessageComponentInterface $app): self
     {

src/Server/Logger/WebsocketsLogger.php

@@ -21,7 +21,7 @@ class WebsocketsLogger extends Logger implements MessageComponentInterface
      * Create a new instance and add the app to watch.
      *
      * @param  \Ratchet\MessageComponentInterface  $app
-     * @return Self
+     * @return self
      */
     public static function decorate(MessageComponentInterface $app): self
     {

src/Statistics/Events/StatisticsUpdated.php

@@ -14,7 +14,7 @@ class StatisticsUpdated implements ShouldBroadcast
     use SerializesModels;
 
     /**
-     * The statistic instance that got updated
+     * The statistic instance that got updated.
      *
      * @var \BeyondCode\LaravelWebSockets\Statistics\Models\WebSocketsStatisticsEntry
      */