fix(lobby/native) removed nav button overwrite

react/features/lobby/components/native/LobbyScreen.js

@@ -10,8 +10,6 @@ import { connect } from '../../../base/redux';
 import { ASPECT_RATIO_NARROW } from '../../../base/responsive-ui';
 import BaseTheme from '../../../base/ui/components/BaseTheme';
 import { LargeVideo } from '../../../large-video/components';
-import HeaderNavigationButton
-    from '../../../mobile/navigation/components/HeaderNavigationButton';
 import { navigate }
     from '../../../mobile/navigation/components/lobby/LobbyNavigationContainerRef';
 import { screen } from '../../../mobile/navigation/routes';
@@ -36,25 +34,6 @@ type Props = AbstractProps & {
  * Implements a waiting screen that represents the participant being in the lobby.
  */
 class LobbyScreen extends AbstractLobbyScreen<Props> {
-    /**
-     * Implements React's {@link Component#componentDidMount()}. Invoked
-     * immediately after this component is mounted.
-     *
-     * @inheritdoc
-     * @returns {void}
-     */
-    componentDidMount() {
-        const { navigation, t } = this.props;
-
-        navigation.setOptions({
-            headerLeft: () => (
-                <HeaderNavigationButton
-                    label = { t('dialog.Cancel') }
-                    onPress = { this._onCancel } />
-            )
-        });
-    }
-
     /**
      * Implements {@code PureComponent#render}.
      *