fix(mongodb): remove `Atlas` header from stdout

This will remove the `Atlas` header if we were connected into mongodb atlas cluster so that it will only output the json data as the stdout. examples before the fix: <img width="955" height="481" alt="Screenshot 2025-09-16 at 23 52 16" src="https://github.com/user-attachments/assets/fc1b14a8-8503-49f2-8b84-2c413a35aed0" /> <img width="555" height="57" alt="Screenshot 2025-09-16 at 23 52 32" src="https://github.com/user-attachments/assets/552a6c19-fc08-498f-87c1-48dda313898a" /> after fix: <img width="562" height="145" alt="Screenshot 2025-09-17 at 02 30 43" src="https://github.com/user-attachments/assets/d9c5e19b-f316-409e-a37a-ca4734401dad" />