Remove useless variable

apps/content/backend/content/document_cleaner.py

@@ -35,13 +35,11 @@ class DocumentCleaner:
 
         # Retrieve all document IDs from DocumentDoc
         all_document_ids = set()
-        document_locations = {}
         async for doc in DocumentDoc.find(
             {"created_by": {"$regex": "^content-service-"}}
         ):  # Fetch all documents that are created by content-service
             if doc.document_id:  # Ensure document_id is not None
                 all_document_ids.add(doc.document_id)
-                document_locations[doc.document_id] = doc.location
         print(f"All document IDs (from DocumentDoc): {all_document_ids}")
 
         # Find unused document IDs