fix: readme and examples syntax

docs/guide/src/hello_world.md

@@ -135,7 +135,7 @@ fn App(cx: Scope) -> Element {
 Writing `fn App(cx: Scope) -> Element {` might become tedious. Rust will also let you write functions as static closures, but these types of Components cannot have props that borrow data.
 
 ```rust
-static App: Component<()> = |cx| cx.render(rsx!(div { "Hello, world!" }));
+static App: Component = |cx| cx.render(rsx!(div { "Hello, world!" }));
 ```
 
 ### What is this `Context` object?