Issue #2062753 by sergeypavlenko: Remove Unused local variable $id from...

Issue #2062753 by sergeypavlenko: Remove Unused local variable $id from /core/modules/node/lib/Drupal/node/Plugin/Core/Entity/Node.php.

core/modules/node/lib/Drupal/node/Plugin/Core/Entity/Node.php

@@ -136,7 +136,7 @@ public function getBCEntity() {
    */
   public static function preDelete(EntityStorageControllerInterface $storage_controller, array $entities) {
     if (module_exists('search')) {
-      foreach ($entities as $id => $entity) {
+      foreach ($entities as $entity) {
         search_reindex($entity->nid->value, 'node');
       }
     }