rename flush_sync to wait_for_next_render

packages/hooks/src/use_memo.rs

@@ -135,8 +135,6 @@ where
 
         spawn(async move {
             loop {
-                // Wait for the dom the be finished with sync work
-                flush_sync().await;
                 rc.changed().await;
 
                 let new = rc.run_in(|| f(dependencies_signal.read().clone()));