Don't expose heartbeat to app

src/game/net.rs

@@ -11,7 +11,6 @@ pub fn handle_new_peer(
 ) {
     if let Some(seed) = seed {
         for peer in new_peers {
-            warn!("Sending seed to peer: {}", peer.uuid);
             outbound.write(OutboundPacket(Packet::new((*seed).into(), peer.uuid)));
         }
     }