message: Correct check for NYM txn in CLI
diff: @@ -108,10 +108,6 @@ pub mod nym_command {
  let extra = get_opt_str_param("extra", params).map_err(error_err!())?;
  let send = get_opt_bool_param("send", params).map_err(error_err!())?.unwrap_or(SEND_REQUEST);
  - if submitter_did == target_did {
  - println_err!("Target DID can't be equal to an active DID \"{}\".", submitter_did);
  - return Err(println_err!("Use `did rotate-key` command to change Verkey"));
  - }
  if let Some(target_verkey) = verkey {
  let dids = did::dids(ctx);
  