Removes progress mark from the receiver.
Original signature is '- (void)removeProgressMark:(NSAnimationProgress)progressMark'
Available in Mac OS X v10.4 and later.


- progressMark (Single)
- A float value (typed as NSAnimationProgress) that indicates the portion of the animation completed. The value should correspond to a progress mark set with addProgressMark: or setProgressMarks:.

- Available in Monobjc Bridge: 10.6 (For Mac OS X 10.6 and later), 10.5 (For Mac OS X 10.5 and later)