Issue #3239466: Refactor build tests to use core-supported project templates

tests/src/Build/CoreUpdateTest.php

@@ -9,12 +9,6 @@ namespace Drupal\Tests\automatic_updates\Build;
  */
 class CoreUpdateTest extends UpdateTestBase {
 
-  protected function getInitialConfiguration(array $data): array {
-    $data = parent::getInitialConfiguration($data);
-    unset($data['require-dev']);
-    return $data;
-  }
-
   /**
    * {@inheritdoc}
    */