remove duplicate lines in xplat/js/react-native-github/React/React.xcodeproj/project.pbxproj
remove duplicate lines in xplat/js/react-native-github/React/React.xcodeproj/project.pbxproj

Summary: D14477611. The duplicat line may cause the test failure in T46242216 : https://fburl.com/9svdqopu

Reviewed By: sammy-SC, cpojer

Differential Revision: D16082601

fbshipit-source-id: fbd4f4b1ffe6b08faff4b65d7fd44faffc611393

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