chore: rollback some unecessary changes

examples/readme.rs

@@ -11,9 +11,9 @@ fn main() {
 fn app(cx: Scope) -> Element {
     let mut count = use_state(cx, || 0);
 
-    render! {
+    cx.render(rsx! {
         h1 { "High-Five counter: {count}" }
         button { onclick: move |_| count += 1, "Up high!" }
         button { onclick: move |_| count -= 1, "Down low!" }
-    }
+    })
 }