Issue #3282634: default-content-deploy:export-with-references not working

src/Exporter.php

@@ -609,11 +609,7 @@ class Exporter {
 
     // Serialize all entities and key them by entity TYPE and uuid.
     foreach ($entities as $referenced_entity) {
-      $serialize = $this->serializer->serialize($entity, 'hal_json', [
-        'json_encode_options' => JSON_PRETTY_PRINT,
-      ]);
-
-      $serialized_entities[$entity->getEntityTypeId()][$entity->uuid()] = $this->getSerializedContent($referenced_entity);
+      $serialized_entities[$referenced_entity->getEntityTypeId()][$referenced_entity->uuid()] = $this->getSerializedContent($referenced_entity);
     }
 
     return $serialized_entities;