Now removing the jest.json as well after setup

Author: emin93

setup.js

@@ -17,6 +17,7 @@ writeFile('package.json', JSON.stringify(packageJson, null, 2))
 deleteFile('.flowconfig')
 deleteFile('App.js')
 deleteFile('__tests__/App.js')
+deleteFile('jest.json')
 deleteFile('LICENSE')
 deleteFile('README.md')
 deleteFile('setup.js')