Finish up rule groups API

app/Transformers/PreferenceTransformer.php

@@ -33,18 +33,6 @@ use Symfony\Component\HttpFoundation\ParameterBag;
  */
 class PreferenceTransformer extends TransformerAbstract
 {
-    /**
-     * List of resources possible to include.
-     *
-     * @var array
-     */
-    protected $availableIncludes = ['user'];
-    /**
-     * List of resources to automatically include
-     *
-     * @var array
-     */
-    protected $defaultIncludes = [];
     /** @var ParameterBag */
     protected $parameters;