message: remove verbose formatting per PR feedback.
diff: @@ -17,6 +17,7 @@ use blake2::{
  };
  use datasize::DataSize;
  use derive_more::Into;
  +use hex_fmt::HexList;
  use itertools::Itertools;
  use once_cell::sync::Lazy;
  #[cfg(test)]
  @@ -264,8 +265,8 @@ impl Display for BlockPayload {
  write!(
  formatter,
  "block payload: deploys {}, transfers {}, accusations {:?}, random bit {}",
  - format!("[{}]", itertools::join(&self.deploy_hashes, ", ")),
  - format!("[{}]", itertools::join(&self.transfer_hashes, ", ")),
  + HexList(&self.deploy_hashes),
  + HexList(&self.transfer_hashes),
  self.accusations,
  self.random_bit,
  )
  