xplat/js/react-native-github: Starlark compat
xplat/js/react-native-github: Starlark compat

Summary:
There's no `set` in Starlark.

Changelog: [Internal]

Reviewed By: aniketmathur

Differential Revision: D26665530

fbshipit-source-id: 1e67571b6a02601997d3f11a9d9c6776b8e1ff3b

facebook/react-native,javache/react-native,facebook/react-native,facebook/react-native,myntra/react-native,janicduplessis/react-native,pandiaraj44/react-native,facebook/react-native,myntra/react-native,myntra/react-native,javache/react-native,javache/react-native,myntra/react-native,janicduplessis/react-native,javache/react-native,javache/react-native,myntra/react-native,arthuralee/react-native,javache/react-native,janicduplessis/react-native,pandiaraj44/react-native,arthuralee/react-native,arthuralee/react-native,facebook/react-native,facebook/react-native,janicduplessis/react-native,janicduplessis/react-native,myntra/react-native,arthuralee/react-native,pandiaraj44/react-native,javache/react-native,myntra/react-native,pandiaraj44/react-native,myntra/react-native,janicduplessis/react-native,facebook/react-native,janicduplessis/react-native,arthuralee/react-native,javache/react-native,pandiaraj44/react-native,javache/react-native,pandiaraj44/react-native,pandiaraj44/react-native,janicduplessis/react-native,facebook/react-native,facebook/react-native,pandiaraj44/react-native,myntra/react-native