assistant2: Remove "Tools" switch (#26485)

This PR removes the "Tools" switch from Assistant 2, as we can manage
tools from the tool selector now.

Release Notes:

- N/A
d43bcc04dbMarshall Bowers committed on 3/11/2025, 9:46:51 PM· committed by GitHubparent2b94a35
3 files changedLine totals unavailable