Remove not used statement.

src/BatchSynchronizer.php

@@ -5,7 +5,6 @@ declare(strict_types=1);
 namespace Drupal\rdf_sync;
 
 use Drupal\Core\Batch\BatchBuilder;
-use Drupal\Core\Entity\EntityPublishedInterface;
 use Drupal\Core\Entity\EntityTypeManagerInterface;
 use Drupal\rdf_sync\Model\SyncMethod;