Revert changes.

src/Plugin/QueueWorker/FixityCheckWorker.php

@@ -60,14 +60,9 @@ class FixityCheckWorker extends QueueWorkerBase implements ContainerFactoryPlugi
    */
   public function processItem($data) {
     if ($data instanceof FixityCheckInterface) {
-      if (empty($data->getFile())) {
-        $data->delete();
-      }
-      else {
       /** @var \Drupal\dgi_fixity\FixityCheckInterface $data */
       $this->fixity->check($data->getFile());
     }
   }
-  }
 
 }