Tells the delegate that the specified supplementary view was removed from the collection view.
- iOS 6.0+
- tvOS 9.0+
The collection view object that removed the supplementary view.
The view that was removed.
The type of the supplementary view. This string is defined by the layout that presents the view.
The index path of the data item that the supplementary view represented.
Use this method to detect when a supplementary view is removed from a collection view, as opposed to monitoring the view itself to see when it appears or disappears.