Removed obsolete CDI grid functions gridXXXXpole(), gridXXXYpole(),...
Removed obsolete CDI grid functions gridXXXXpole(), gridXXXYpole(), gridXXXAngle() and gridIsRotated().
Removed obsolete CDI grid functions gridXXXXpole(), gridXXXYpole(), gridXXXAngle() and gridIsRotated().