fix phpcs violation

automatic_updates_extensions/src/Validator/RequestedUpdateValidator.php

@@ -5,7 +5,6 @@ declare(strict_types=1);
 namespace Drupal\automatic_updates_extensions\Validator;
 
 use Composer\Semver\Semver;
-use Drupal\automatic_updates_extensions\ExtensionUpdateStage;
 use Drupal\Core\StringTranslation\StringTranslationTrait;
 use Drupal\package_manager\ComposerInspector;
 use Drupal\package_manager\Event\PreApplyEvent;