Revert D31024459: Merge base AppleTVOS flags into base Apple flags (take #3)
Revert D31024459: Merge base AppleTVOS flags into base Apple flags (take #3)

Differential Revision:
D31024459 (https://github.com/facebook/react-native/commit/0a46e5efada5f0be8f2e8ebf721178e685bf5925)

Original commit changeset: be85296cda36

fbshipit-source-id: ceb8e5a3cda57a40a876b07133d8021942308878

janicduplessis/react-native,facebook/react-native,facebook/react-native,janicduplessis/react-native,janicduplessis/react-native,facebook/react-native,facebook/react-native,facebook/react-native,facebook/react-native,javache/react-native,janicduplessis/react-native,janicduplessis/react-native,facebook/react-native,javache/react-native,janicduplessis/react-native,janicduplessis/react-native,javache/react-native,javache/react-native,javache/react-native,facebook/react-native,javache/react-native,javache/react-native,javache/react-native,javache/react-native,janicduplessis/react-native,facebook/react-native