#34640: CLN: remove 'private_key' and 'verbose' from gbq
- [x ] closes #34640 
- [ ] tests added / passed
- [ ] passes `black pandas`
- [ ] passes `git diff upstream/master -u -- "*.py" | flake8 --diff`
- [ ] whatsnew entry

Hello, I am new to contributing to open source, so thank you in advance for any corrections and suggestions. Please let me know if I need to do anything else for this ticket!

I removed the code containing both 'private_key' and 'verbose' from the gbq.py file.