remove cx.render

examples/custom_assets.rs

@@ -5,12 +5,12 @@ fn main() {
 }
 
 fn app() -> Element {
-    cx.render(rsx! {
+    rsx! {
         div {
             p {
                 "This should show an image:"
             }
             img { src: manganis::mg!(image("examples/assets/logo.png").format(ImageType::Avif)).to_string() }
         }
-    })
+    }
 }