message: cyberpunk: remove unnecessary comment
diff: use cosmwasm_schema::{cw_serde, QueryResponses};
  -// failure modes to help test wasmd, based on this comment
  -// https://github.com/cosmwasm/wasmd/issues/8#issuecomment-576146751
  #[cw_serde]
  pub enum ExecuteMsg {
  /// Hashes some data. Uses CPU and memory, but no external calls.
  