Eliminate some sanity checks in vndstrategy() that are now handled by bounds_check_with_label().
Eliminate some sanity checks in vndstrategy() that are now handled by
bounds_check_with_label().

orumin/openbsd-efivars,orumin/openbsd-efivars,orumin/openbsd-efivars,orumin/openbsd-efivars