message: fix about for rm
diff: @@ -788,17 +788,16 @@ fn transaction_commands_definition<'a, 'b>() -> App<'a, 'b> {
  .about("Add an output to a transaction")
  )
  .subcommand(SubCommand::with_name(TransactionCmd::RmInput.as_string())
  - .about("Add an input to a transaction")
  + .about("Remove an input to a transaction")
  )
  .subcommand(SubCommand::with_name(TransactionCmd::RmOutput.as_string())
  - .about("Add an output to a transaction")
  + .about("Remove an output to a transaction")
  )
  .subcommand(SubCommand::with_name(TransactionCmd::Status.as_string())
  .about("Status of a staging transaction")
  )
  }
  -
  /* ------------------------------------------------------------------------- *
  * Debug Sub Commands and helpers *
  * ------------------------------------------------------------------------- */
  