remove unused openOnboardingModal from getting_started

app/javascript/flavours/glitch/features/getting_started/index.js

@@ -56,15 +56,8 @@ const makeMapStateToProps = () => {
 
 const mapDispatchToProps = dispatch => ({
   fetchFollowRequests: () => dispatch(fetchFollowRequests()),
-
   fetchLists: () => dispatch(fetchLists()),
-
   openSettings: () => dispatch(openModal('SETTINGS', {})),
-
-  openOnboardingModal: (e) => {
-    e.preventDefault();
-    this.props.dispatch(openModal('ONBOARDING'));
-  },
 });
 
 const badgeDisplay = (number, limit) => {
@@ -92,7 +85,6 @@ export default class GettingStarted extends ImmutablePureComponent {
     lists: ImmutablePropTypes.list,
     fetchLists: PropTypes.func.isRequired,
     openSettings: PropTypes.func.isRequired,
-    openOnboardingModal: PropTypes.func.isRequired,
   };
 
   componentWillMount () {