Deselects the item at the specified index.
- iOS 6.0+
- tvOS 9.0+
The index path of the item to select. Specifying
nilresults in no change to the current selection.
trueto animate the change in the selection or
falseto make the change without animating it.
allows property is
false, calling this method has no effect.
This method does not cause any selection-related delegate methods to be called.