Revert "Add save_file and restore_file_from_disk agent tools" (#44949)

Reverts zed-industries/zed#44789

Need to fix a bug

Release Notes:

- N/A
9c32c29238Nathan Sobo committed on 12/16/2025, 8:53:08 AM· committed by GitHubparenta176a8c
5 files changedLine totals unavailable