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/stories/tool_strip.rs

@@ -1,33 +0,0 @@
-use gpui::Render;
-use story::{Story, StoryItem, StorySection};
-
-use crate::{prelude::*, ToolStrip, Tooltip};
-
-pub struct ToolStripStory;
-
-impl Render for ToolStripStory {
-    fn render(&mut self, _window: &mut Window, _cx: &mut Context<Self>) -> impl IntoElement {
-        Story::container()
-            .child(Story::title_for::<ToolStrip>())
-            .child(
-                StorySection::new().child(StoryItem::new(
-                    "Vertical Tool Strip",
-                    h_flex().child(
-                        ToolStrip::vertical("tool_strip_example")
-                            .tool(
-                                IconButton::new("example_tool", IconName::AudioOn)
-                                    .tooltip(Tooltip::text("Example tool")),
-                            )
-                            .tool(
-                                IconButton::new("example_tool_2", IconName::MicMute)
-                                    .tooltip(Tooltip::text("Example tool 2")),
-                            )
-                            .tool(
-                                IconButton::new("example_tool_3", IconName::Screen)
-                                    .tooltip(Tooltip::text("Example tool 3")),
-                            ),
-                    ),
-                )),
-            )
-    }
-}