ui: Remove `ToolStrip` component (#24529)

This PR removes the `ToolStrip` component.

Pulling this change out of
https://github.com/zed-industries/zed/pull/24456.

Release Notes:

- N/A
072d2b061aMarshall Bowers committed on 2/9/2025, 4:07:40 PM· committed by GitHubparent065fdcb
5 files changedLine totals unavailable