rm type ignore (#25715)

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Co-authored-by: -LAN- <laipz8200@outlook.com>

api/services/metadata_service.py

@@ -89,7 +89,7 @@ class MetadataService:
                     document.doc_metadata = doc_metadata
                     db.session.add(document)
             db.session.commit()
-            return metadata  # type: ignore
+            return metadata
         except Exception:
             logger.exception("Update metadata name failed")
         finally: