more cleanup

packages/core/src/hooks.rs

@@ -13,7 +13,7 @@ use crate::innerlude::*;
 use futures_util::FutureExt;
 use std::{
     any::{Any, TypeId},
-    cell::{Cell, RefCell},
+    cell::RefCell,
     future::Future,
     rc::Rc,
 };