revert pass getAllCos

app/Libs/Zimbra/Components/Api/Soap/Repository/ClassOfServices.php

@@ -22,8 +22,6 @@ class ClassOfServices extends AbstractRepository
 
     public function all()
     {
-        return [];
-
         $result = $this->getClient()->classOfServices->getAllCos();
         foreach ($result as $item)
         {