message: CustomSelect: removed warning from prod
diff: @@ -318,8 +318,10 @@ class CustomSelect extends React.Component<CustomSelectProps, CustomSelectState>
  if (this.props.onInputChange) {
  const options = this.props.onInputChange(e, this.props.options);
  if (options) {
  + if (process.env.NODE_ENV === 'development') {
  warn('This filtration method is deprecated. Return value of onInputChange will' +
  ' be ignored in v5.0.0. For custom filtration please update props.options by yourself or use filterFn property');
  + }
  this.setState({
  options,
  selectedOptionIndex: this.findSelectedIndex(options, this.state.nativeSelectValue),
  