Issue #3305648 by _utsavsharma, immaculatexavier, smustgrave, quietone: Remove...

Issue #3305648 by _utsavsharma, immaculatexavier, smustgrave, quietone: Remove common_test_drupal_render_printing_pre_render

core/modules/system/tests/modules/common_test/common_test.module

@@ -8,14 +8,6 @@
 use Drupal\Core\Asset\AttachedAssetsInterface;
 use Drupal\Core\Language\LanguageInterface;
 
-/**
- * Applies #printed to an element to help test #pre_render.
- */
-function common_test_drupal_render_printing_pre_render($elements) {
-  $elements['#printed'] = TRUE;
-  return $elements;
-}
-
 /**
  * Implements hook_TYPE_alter().
  */