[webcontroller] Deprecate NIWebController. (#715)
[webcontroller] Deprecate NIWebController. (#715)

It is using UIWebView which reached end-of-life in iOS 12. NIWebController also does not support safe area insets, so we are deprecating and deleting this API. Please use WKWebView instead.
jverkoey/nimbus,jverkoey/nimbus,jverkoey/nimbus,jverkoey/nimbus,jverkoey/nimbus,jverkoey/nimbus,jverkoey/nimbus