message: Remove a stale comment
diff: @@ -309,8 +309,7 @@ use fmt::Formatter;
  /// A network.
  type Network<P> = Arc<RwLock<HashMap<NodeId, mpsc::UnboundedSender<(NodeId, P)>>>>;
  -/// Public type alias for convention; the in memory network needs to internal events and just
  -/// responds to network requests.
  +/// An in-memory network events.
  #[derive(Debug)]
  pub struct Event<P>(NetworkRequest<NodeId, P>);
  