fix scope context

examples/clock.rs

@@ -3,15 +3,13 @@
 //! The example from the README.md.
 
 use dioxus::prelude::*;
-use dioxus_signals::{use_init_signal_rt, use_signal};
+use dioxus_signals::use_signal;
 
 fn main() {
     dioxus_desktop::launch(app);
 }
 
 fn app(cx: Scope) -> Element {
-    use_init_signal_rt(cx);
-
     let mut count = use_signal(cx, || 0);
 
     use_future!(cx, || async move {