message: Remove unused pickerRef prop forwarding
diff: @@ -3,9 +3,9 @@ import PropTypes from 'prop-types';
  import { MuiPickersContextConsumer } from '../utils/MuiPickersUtilsProvider';
  const WithUtils = () => (Component) => {
  - const withUtils = ({ pickerRef, ...props }) => (
  + const withUtils = props => (
  <MuiPickersContextConsumer>
  - {utils => <Component ref={pickerRef} utils={utils} {...props} />}
  + {utils => <Component utils={utils} {...props} />}
  </MuiPickersContextConsumer>
  );
  