message: remove duplicate protocol name
diff: @@ -148,9 +148,6 @@ impl ConfigModule for NetworkConfig {
  self.set_peer_id();
  self.disable_seed = opt.disable_seed;
  - self.protocols.push(CHAIN_PROTOCOL_NAME.into());
  - self.protocols.push(TXN_PROTOCOL_NAME.into());
  - self.protocols.push(BLOCK_PROTOCOL_NAME.into());
  Ok(())
  }
  