chore: make clippy happy

packages/core/src/diff.rs

@@ -52,12 +52,8 @@ impl<'b> VirtualDom {
         self.scope_stack.pop();
     }
 
-    fn diff_ok_to_err(&mut self, _l: &'b VNode<'b>, _e: &anyhow::Error) {
-        return;
-    }
-    fn diff_err_to_ok(&mut self, _e: &anyhow::Error, _l: &'b VNode<'b>) {
-        return;
-    }
+    fn diff_ok_to_err(&mut self, _l: &'b VNode<'b>, _e: &anyhow::Error) {}
+    fn diff_err_to_ok(&mut self, _e: &anyhow::Error, _l: &'b VNode<'b>) {}
 
     fn diff_node(&mut self, left_template: &'b VNode<'b>, right_template: &'b VNode<'b>) {
         if left_template.template.name != right_template.template.name {