message: Simplified class declaration.
diff: import * as React from 'react';
  import { t } from 'i18next';
  -import classNames from 'classnames';
  import './rating-mode.scss';
  import ClickOutside from '../dim-ui/click-outside';
  import { settings } from '../settings/settings';
  @@ -41,7 +40,7 @@ export default class RatingMode extends React.Component<Props, State> {
  <div>
  <ClickOutside onClickOutside={this.closeDropdown}>
  <span className="link" onClick={this.toggleDropdown} title={t('DtrReview.ForGameMode')}>
  - <i className={classNames('fa', 'fa fa-thumbs-up')}/>
  + <i className='fa fa fa-thumbs-up'/>
  </span>
  {open &&
  <div className="mode-popup">
  