store: Remove needless panic
@@ -93,11 +93,7 @@ impl ChainHeadUpdateListener {
"head_block_number" => &update.head_block_number,
);
- futures03::future::ready(
- update_sender
- .broadcast(())
- .map_err(|_| panic!("no listeners for chain head updates")),
- )
+ futures03::future::ready(update_sender.broadcast(()).map_err(|_| ()))
}),
);
