remove unnecessary config items

Civi/Aivlspecificactions/Actions/PetitionEmailPrefs.php

@@ -37,10 +37,7 @@ class PetitionEmailPrefs extends AbstractAction {
    * @return SpecificationBag
    */
   public function getConfigurationSpecification() {
-    $specs = new SpecificationBag();
-    $specs->addSpecification(new Specification('newsletter_group_id', 'Integer', E::ts('Newsletter Group ID'), TRUE, NULL, 'Group', NULL, FALSE));
-    $specs->addSpecification(new Specification('action_group_id', 'Integer', E::ts('Monthly Actions Group ID'), TRUE, NULL, 'Group', NULL, FALSE));
-    return $specs;
+    return new SpecificationBag();
   }
 
   /**