Removed unused namespaces and globals

app/workers/certificates.php

@@ -1,7 +1,6 @@
 <?php
 
 use Utopia\App;
-use Utopia\Config\Config;
 use Utopia\Domains\Domain;
 use Appwrite\Database\Database;
 use Appwrite\Database\Validator\Authorization;

app/workers/tasks.php

@@ -3,7 +3,6 @@
 require_once __DIR__.'/../init.php';
 
 use Utopia\App;
-use Utopia\Config\Config;
 use Appwrite\Database\Database;
 use Appwrite\Database\Validator\Authorization;
 use Cron\CronExpression;

app/workers/webhooks.php

@@ -20,7 +20,7 @@ class WebhooksV1
 
     public function perform()
     {
-        global $consoleDB, $request;
+        global $consoleDB;
 
         $errors = [];