refactor: remove google cloud messaging

Author: joostdebruijn

config/webpush.php

@@ -41,14 +41,4 @@
      */
     'automatic_padding' => env('WEBPUSH_AUTOMATIC_PADDING', true),
 
-    /**
-     * Google Cloud Messaging.
-     *
-     * @deprecated
-     */
-    'gcm' => [
-        'key' => env('GCM_KEY'),
-        'sender_id' => env('GCM_SENDER_ID'),
-    ],
-
 ];

src/WebPushServiceProvider.php

@@ -54,10 +54,6 @@ protected function webPushAuth(): array
         $publicKey = $webpush['vapid']['public_key'];
         $privateKey = $webpush['vapid']['private_key'];
 
-        if (! empty($webpush['gcm']['key'])) {
-            $config['GCM'] = $webpush['gcm']['key'];
-        }
-
         if (empty($publicKey) || empty($privateKey)) {
             return $config;
         }