storybook2: Remove unreferenced components module (#3229)

This PR removes the `components` module from `storybook2` as it was
dead, unreferenced code.

Release Notes:

- N/A

crates/storybook2/src/components.rs

@@ -1,97 +0,0 @@
-use gpui2::{
-    div, ArcCow, Element, EventContext, Interactive, IntoElement, MouseButton, ParentElement,
-    StyleHelpers, ViewContext,
-};
-use std::{marker::PhantomData, rc::Rc};
-
-struct ButtonHandlers<V, D> {
-    click: Option<Rc<dyn Fn(&mut V, &D, &mut EventContext<V>)>>,
-}
-
-impl<V, D> Default for ButtonHandlers<V, D> {
-    fn default() -> Self {
-        Self { click: None }
-    }
-}
-
-#[derive(Component)]
-pub struct Button<V: 'static, D: 'static> {
-    handlers: ButtonHandlers<V, D>,
-    label: Option<ArcCow<'static, str>>,
-    icon: Option<ArcCow<'static, str>>,
-    data: Rc<D>,
-    view_type: PhantomData<V>,
-}
-
-// Impl block for buttons without data.
-// See below for an impl block for any button.
-impl<V: 'static> Button<V, ()> {
-    fn new() -> Self {
-        Self {
-            handlers: ButtonHandlers::default(),
-            label: None,
-            icon: None,
-            data: Rc::new(()),
-            view_type: PhantomData,
-        }
-    }
-
-    pub fn data<D: 'static>(self, data: D) -> Button<V, D> {
-        Button {
-            handlers: ButtonHandlers::default(),
-            label: self.label,
-            icon: self.icon,
-            data: Rc::new(data),
-            view_type: PhantomData,
-        }
-    }
-}
-
-// Impl block for button regardless of its data type.
-impl<V: 'static, D: 'static> Button<V, D> {
-    pub fn label(mut self, label: impl Into<ArcCow<'static, str>>) -> Self {
-        self.label = Some(label.into());
-        self
-    }
-
-    pub fn icon(mut self, icon: impl Into<ArcCow<'static, str>>) -> Self {
-        self.icon = Some(icon.into());
-        self
-    }
-
-    pub fn on_click(
-        mut self,
-        handler: impl Fn(&mut V, &D, &mut EventContext<V>) + 'static,
-    ) -> Self {
-        self.handlers.click = Some(Rc::new(handler));
-        self
-    }
-}
-
-pub fn button<V>() -> Button<V, ()> {
-    Button::new()
-}
-
-impl<V: 'static, D: 'static> Button<V, D> {
-    fn render(
-        &mut self,
-        view: &mut V,
-        cx: &mut ViewContext<V>,
-    ) -> impl IntoElement<V> + Interactive<V> {
-        // let colors = &cx.theme::<Theme>().colors;
-
-        let button = div()
-            // .fill(colors.error(0.5))
-            .h_4()
-            .children(self.label.clone());
-
-        if let Some(handler) = self.handlers.click.clone() {
-            let data = self.data.clone();
-            button.on_mouse_down(MouseButton::Left, move |view, event, cx| {
-                handler(view, data.as_ref(), cx)
-            })
-        } else {
-            button
-        }
-    }
-}