message: Allow `dead_code` for `gossip_message` until actually in use
diff: @@ -308,6 +308,8 @@ impl<REv> EffectBuilder<REv> {
  ///
  /// A low-level "gossip" function, selects a fixed number of randomly chosen nodes on the
  /// network and sends each a copy of the message.
  + // TODO: Remove list-relaxation once function is used.
  + #[allow(dead_code)]
  pub(crate) async fn gossip_message<I, P>(self, payload: P)
  where
  REv: From<NetworkRequest<I, P>>,
  