Remove a cal standard and correct it, returning correct and ideal

This requires requires overdetermination. Useful in troubleshooting a calibration in which one standard is junk, but you dont know which.

Parameters:std (int or str) – the integer of calibration standard to remove, or the name of the ideal or measured calibration standard to remove.
Returns:ideal,corrected – the ideal and corrected networks which were removed out of the calibration
Return type:tuple of skrf.Networks