assistant_context_editor: Remove suggest edits (#30286)

This PR removes the code for the "Suggest Edits" functionality from
Assistant1.

This feature was already disabled entirely with the launch of the Agent,
we're just cleaning up the unused code.

Release Notes:

- N/A
9268308543Marshall Bowers committed on 5/8/2025, 5:27:49 PM· committed by GitHubparent7fb52dd
13 files changedLine totals unavailable