UploadedFileRepository: laisse le listener gérer les suppressions.

Entity/Repository/UploadedFileRepository.php

@@ -83,7 +83,7 @@ class UploadedFileRepository extends EntityRepository implements FileManagerInte
     public function delete(UploadedFile $file)
     {
         $this->_em->remove($file);
-        $this->filesystem->delete($file->getPath());
+        $this->_em->flush();
 
         $this->log(LogLevel::INFO, 'File deleted', ['file' => $file]);
     }