react-native: BundleSegments: remove async/await
react-native: BundleSegments: remove async/await

Reviewed By: fromcelticpark

Differential Revision: D6508646

fbshipit-source-id: 9e5c05bde5420cb030912eb187f6333af4b580f9

hoangpham95/react-native,exponentjs/react-native,dikaiosune/react-native,myntra/react-native,javache/react-native,arthuralee/react-native,facebook/react-native,myntra/react-native,jevakallio/react-native,facebook/react-native,hoangpham95/react-native,myntra/react-native,rickbeerendonk/react-native,dikaiosune/react-native,jevakallio/react-native,hammerandchisel/react-native,pandiaraj44/react-native,myntra/react-native,hammerandchisel/react-native,facebook/react-native,javache/react-native,janicduplessis/react-native,myntra/react-native,arthuralee/react-native,ptmt/react-native-macos,hoangpham95/react-native,Bhullnatik/react-native,hammerandchisel/react-native,javache/react-native,exponent/react-native,jevakallio/react-native,dikaiosune/react-native,exponentjs/react-native,facebook/react-native,javache/react-native,rickbeerendonk/react-native,Bhullnatik/react-native,jevakallio/react-native,hoangpham95/react-native,hoastoolshop/react-native,jevakallio/react-native,facebook/react-native,exponentjs/react-native,hoangpham95/react-native,dikaiosune/react-native,pandiaraj44/react-native,jevakallio/react-native,ptmt/react-native-macos,exponentjs/react-native,exponent/react-native,pandiaraj44/react-native,rickbeerendonk/react-native,rickbeerendonk/react-native,ptmt/react-native-macos,hoastoolshop/react-native,exponent/react-native,Bhullnatik/react-native,ptmt/react-native-macos,hoastoolshop/react-native,myntra/react-native,exponentjs/react-native,dikaiosune/react-native,exponent/react-native,rickbeerendonk/react-native,janicduplessis/react-native,exponentjs/react-native,janicduplessis/react-native,Bhullnatik/react-native,pandiaraj44/react-native,janicduplessis/react-native,jevakallio/react-native,pandiaraj44/react-native,exponent/react-native,hammerandchisel/react-native,janicduplessis/react-native,ptmt/react-native-macos,ptmt/react-native-macos,hoastoolshop/react-native,jevakallio/react-native,exponent/react-native,hammerandchisel/react-native,exponent/react-native,dikaiosune/react-native,facebook/react-native,facebook/react-native,arthuralee/react-native,janicduplessis/react-native,hoastoolshop/react-native,Bhullnatik/react-native,Bhullnatik/react-native,javache/react-native,Bhullnatik/react-native,janicduplessis/react-native,exponent/react-native,pandiaraj44/react-native,hoastoolshop/react-native,dikaiosune/react-native,ptmt/react-native-macos,hoangpham95/react-native,hammerandchisel/react-native,javache/react-native,rickbeerendonk/react-native,rickbeerendonk/react-native,hammerandchisel/react-native,facebook/react-native,arthuralee/react-native,rickbeerendonk/react-native,hoastoolshop/react-native,hammerandchisel/react-native,exponentjs/react-native,javache/react-native,dikaiosune/react-native,myntra/react-native,ptmt/react-native-macos,myntra/react-native,exponentjs/react-native,facebook/react-native,pandiaraj44/react-native,myntra/react-native,javache/react-native,pandiaraj44/react-native,jevakallio/react-native,janicduplessis/react-native,hoangpham95/react-native,Bhullnatik/react-native,rickbeerendonk/react-native,javache/react-native,arthuralee/react-native,hoastoolshop/react-native,hoangpham95/react-native