chore: rename all &cx to cx, make clipppy happy

docs/guide/examples/use_future.rs

@@ -14,7 +14,7 @@ struct ApiResponse {
 
 fn App(cx: Scope) -> Element {
     // ANCHOR: use_future
-    let future = use_future(&cx, (), |_| async move {
+    let future = use_future(cx, (), |_| async move {
         reqwest::get("https://dog.ceo/api/breeds/image/random")
             .await
             .unwrap()
@@ -47,7 +47,7 @@ fn App(cx: Scope) -> Element {
 #[inline_props]
 fn RandomDog(cx: Scope, breed: String) -> Element {
     // ANCHOR: dependency
-    let future = use_future(&cx, (breed,), |(breed,)| async move {
+    let future = use_future(cx, (breed,), |(breed,)| async move {
         reqwest::get(format!("https://dog.ceo/api/breed/{breed}/images/random"))
             .await
             .unwrap()