message: remove extraneous clone
diff: @@ -220,7 +220,7 @@ impl<I: NodeIdT, C: Context> HighwayProtocol<I, C> {
  .push(vv);
  results.push(ConsensusProtocolResult::ValidateConsensusValue(
  sender,
  - value.clone(),
  + value,
  timestamp,
  ));
  } else {
  