remove cx.render

examples/overlay.rs

@@ -6,7 +6,7 @@ fn main() {
 }
 
 fn app() -> Element {
-    cx.render(rsx! {
+    rsx! {
         div {
             width: "100%",
             height: "100%",
@@ -22,7 +22,7 @@ fn app() -> Element {
 
             "This is an overlay!"
         }
-    })
+    }
 }
 
 fn make_config() -> dioxus_desktop::Config {