title: Utilities/Platform missing for react-native
body: <p>I trying to run expo-cli in browser mode.</p>
  
  <p>But there is the error:</p>
  
  <blockquote>
    <p>Module not found: Can't resolve '../../Utilities/Platform' in
    '.../node_modules/react-native/Libraries/Core/Timers'.</p>
  </blockquote>
  
  <p>I tried also to look manually for this module but no luck.</p>
  
  <p>What can I do to make expo client works in web browsers? </p>