Remove Bitfield from YGStyle
Remove Bitfield from YGStyle

Summary:
##Changelog:

[Internal][Yoga] Remove Bitfield from YGStyle

Reviewed By: astreet

Differential Revision: D18519614

fbshipit-source-id: 70f18bc679b62712d40d76bd793cf85906b067a1

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