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

crates/ui/src/components.rs

@@ -29,7 +29,6 @@ mod tab;
 mod tab_bar;
 mod table;
 mod toggle;
-mod tool_strip;
 mod tooltip;
 
 #[cfg(feature = "stories")]
@@ -66,7 +65,6 @@ pub use tab::*;
 pub use tab_bar::*;
 pub use table::*;
 pub use toggle::*;
-pub use tool_strip::*;
 pub use tooltip::*;
 
 #[cfg(feature = "stories")]