Issue #2081205 by mrsinguyen: Remove Unused local variable $rid from...

Issue #2081205 by mrsinguyen: Remove Unused local variable $rid from /core/modules/user/lib/Drupal/user/Form/UserPermissionsForm.php.

core/modules/user/lib/Drupal/user/Form/UserPermissionsForm.php

@@ -114,7 +114,7 @@ public function buildForm(array $form, array &$form_state) {
       '#id' => 'permissions',
       '#sticky' => TRUE,
     );
-    foreach ($role_names as $rid => $name) {
+    foreach ($role_names as $name) {
       $form['permissions']['#header'][] = array(
         'data' => $name,
         'class' => array('checkbox'),