message: Remove brackets from InsufficientGasLeft instance
diff: @@ -24,7 +24,7 @@ pub struct InsufficientGasLeft;
  pub fn decrease_gas_left(ctx: &mut Ctx, amount: u64) -> Result<(), InsufficientGasLeft> {
  let remaining = get_gas_left(ctx)
  .checked_sub(amount)
  - .ok_or(InsufficientGasLeft {})?;
  + .ok_or(InsufficientGasLeft)?;
  set_gas_left(ctx, remaining);
  Ok(())
  }
  