Remove unneeded.

Author: tapashmajumder

integration-testing/ios/example.xcodeproj/project.pbxproj

@@ -273,7 +273,7 @@
 			);
 			runOnlyForDeploymentPostprocessing = 0;
 			shellPath = /bin/sh;
-			shellScript = "export NODE_BINARY=node\nexport NODE_BINARY=node\nexport FORCE_BUNDLING=true\n../node_modules/react-native/scripts/react-native-xcode.sh\n";
+			shellScript = "export NODE_BINARY=node\nexport FORCE_BUNDLING=true\n../node_modules/react-native/scripts/react-native-xcode.sh\n";
 		};
 		C07AA68C9973F3BAB4F3C542 /* [CP] Check Pods Manifest.lock */ = {
 			isa = PBXShellScriptBuildPhase;