message: Remove unused component ref
diff: @@ -566,7 +566,7 @@ module.exports = React.createClass({
  case ServerType.PREMIUM:
  break;
  case ServerType.ADVANCED:
  - serverDetails = <ServerConfig ref="serverConfig"
  + serverDetails = <ServerConfig
  customHsUrl={this.state.discoveredHsUrl || this.props.customHsUrl}
  customIsUrl={this.state.discoveredIsUrl || this.props.customIsUrl}
  defaultHsUrl={this.props.defaultHsUrl}
  