ref(langchain): Remove `set_data_normalized` for primitive attributes #5510

Bugbot Review

Bugbot Analysis Progress (31s elapsed)

✅ Gathered PR context (2s)
✅ Completed bug detection (26s)
✅ Posted analysis results (3s)

Final Result: Bugbot completed review and found 1 potential issue.

Request ID: serverGenReqId_e9b453bc-8feb-4b7d-a2c4-415fde8361d7

Cursor Bugbot has reviewed your changes and found 1 potential issue.

^{Bugbot Autofix is OFF. To automatically fix reported issues with Cloud Agents, enable Autofix in the Cursor dashboard.}