Apply fixes from StyleCI (#4420)

Admin/AdminInterface.php

@@ -811,24 +811,12 @@ interface AdminInterface
      */
     public function setFormGroups(array $formGroups);
 
-    /**
-     * {@inheritdoc}
-     */
     public function getFormTabs();
 
-    /**
-     * {@inheritdoc}
-     */
     public function setFormTabs(array $formTabs);
 
-    /**
-     * {@inheritdoc}
-     */
     public function getShowTabs();
 
-    /**
-     * {@inheritdoc}
-     */
     public function setShowTabs(array $showTabs);
 
     /**