Bring back mroe hooks, remove old hooks, cleanup a number of examples

examples/pattern_model.rs

@@ -120,20 +120,17 @@ fn app() -> Element {
     }
 }
 
-#[derive(Props)]
-struct CalculatorKeyProps {
-    #[props(into)]
-    name: String,
+#[component]
+fn CalculatorKey(
+    #[props(into)] name: String,
     onclick: EventHandler<MouseEvent>,
     children: Element,
-}
-
-fn CalculatorKey(props: CalculatorKeyProps) -> Element {
+) -> Element {
     rsx! {
         button {
-            class: "calculator-key {cx.props.name}",
-            onclick: move |e| cx.props.onclick.call(e),
-            {&cx.props.children}
+            class: "calculator-key {name}",
+            onclick: move |e| onclick.call(e),
+            {&children}
         }
     }
 }