Issue #3229485: Clean up some exclusion code

tests/modules/automatic_updates_test/src/TestUpdater.php

@@ -10,14 +10,6 @@ use Drupal\automatic_updates\Updater;
  */
 class TestUpdater extends Updater {
 
-  /**
-   * {@inheritdoc}
-   */
-  public function getExclusions(): array {
-    // Overridden for public visibility.
-    return parent::getExclusions();
-  }
-
   /**
    * Sets the errors to be thrown during the begin() method.
    *