Summary:
This file was created recently but is not used as the WKWebview was integrated directly into the Webview.ios.js
Removing this file to clarify the situation
Pull Request resolved: https://github.com/facebook/react-native/pull/21182
Differential Revision: D9942905
Pulled By: hramos
fbshipit-source-id: 19e9fba94280428edd1deab4a54f8c5dc42a6bfa