Summary:
Removes support for the non-standard `framesToPop` error property from React Native. Redboxes will now ignore this field. The way to skip uninformative frames in stack traces going forward is to use Metro's `customizeFrame` config option, for which the React Native CLI ships useful defaults (see: https://github.com/react-native-community/cli/pull/596, https://github.com/react-native-community/cli/pull/780)
Changelog: [General] [Removed] - Remove support for framesToPop from ExceptionsManager
Reviewed By: rickhanlonii
Differential Revision: D17877444
fbshipit-source-id: 04aa332c45ad35a99ae20e05fb87b34c91a557ab