
 function tokenUnload( IERC20 _token, IRemove _native, address _remaining ) external override onlyGovMain {
...
    uint256 balance = ps.stakeBalance.sub(ps.firstMoneyOut);
    if (balance > 0) {
      _token.safeTransfer(_remaining, balance);
      delete ps.stakeBalance;
    }
..
  delete ps.firstMoneyOut;

 function tokenRemove(IERC20 _token) external override onlyGovMain {
  ...
    require(ps.stakeBalance == 0, 'BALANCE_SET');
 }
