Move all files to drupal-8-phpunit-deprecation/

web/modules/custom/example/example.module

@@ -1,17 +0,0 @@
-<?php
-
-/**
- * @file
- * An example module.
- */
-
-declare(strict_types=1);
-
-use Drupal\Core\Entity\EntityInterface;
-
-/**
- * Implements hook_entity_view().
- */
-function example_entity_view(array &$build, EntityInterface $entity): void {
-  drupal_set_message(t('This is a node.'));
-}