title: Reading from private effective user settings warning when simulator opening
body: <p>When I click on textField to open simulator keyboard in the Xcode this wraning show up:</p>
  
  <pre><code>2017-01-01 17:19:38.668544 FirebaseChat[12334:2921090] [MC] System group container for systemgroup.com.apple.configurationprofiles path is /Users/sajad/Library/Developer/CoreSimulator/Devices/79C88538-E4D6-4CEF-8B20-8D514CF453A8/data/Containers/Shared/SystemGroup/systemgroup.com.apple.configurationprofiles
  2017-01-01 17:19:38.669484 FirebaseChat[12334:2921090] [MC] Reading from private effective user settings.
  </code></pre>
  
  <p>I use xcode 8 and swift 3.</p>
  
  <p>How can I fix this?</p>