use the github checked-in version of the Spec codegen output
use the github checked-in version of the Spec codegen output

Summary: For consistency, we use the files checked in to github.

Reviewed By: JoshuaGross

Differential Revision: D15993128

fbshipit-source-id: 1e9fdd6b4111284c84cbd5a63d384ef481659b01

hoangpham95/react-native,janicduplessis/react-native,exponent/react-native,exponent/react-native,janicduplessis/react-native,exponentjs/react-native,pandiaraj44/react-native,exponentjs/react-native,exponentjs/react-native,pandiaraj44/react-native,hammerandchisel/react-native,facebook/react-native,hammerandchisel/react-native,arthuralee/react-native,hammerandchisel/react-native,hoangpham95/react-native,exponent/react-native,hoangpham95/react-native,hoangpham95/react-native,javache/react-native,javache/react-native,hoangpham95/react-native,facebook/react-native,exponentjs/react-native,janicduplessis/react-native,javache/react-native,hammerandchisel/react-native,pandiaraj44/react-native,hammerandchisel/react-native,javache/react-native,exponent/react-native,janicduplessis/react-native,pandiaraj44/react-native,janicduplessis/react-native,myntra/react-native,arthuralee/react-native,janicduplessis/react-native,myntra/react-native,arthuralee/react-native,exponentjs/react-native,hoangpham95/react-native,exponent/react-native,exponentjs/react-native,myntra/react-native,exponentjs/react-native,pandiaraj44/react-native,myntra/react-native,facebook/react-native,pandiaraj44/react-native,exponent/react-native,facebook/react-native,myntra/react-native,myntra/react-native,facebook/react-native,janicduplessis/react-native,hammerandchisel/react-native,arthuralee/react-native,hammerandchisel/react-native,javache/react-native,facebook/react-native,javache/react-native,myntra/react-native,hammerandchisel/react-native,javache/react-native,pandiaraj44/react-native,javache/react-native,exponent/react-native,exponent/react-native,myntra/react-native,arthuralee/react-native,pandiaraj44/react-native,exponentjs/react-native,janicduplessis/react-native,facebook/react-native,hoangpham95/react-native,javache/react-native,facebook/react-native,hoangpham95/react-native,myntra/react-native,facebook/react-native