removed one last app settings addition

app/javascript/flavours/glitch/features/local_settings/page/index.js

@@ -59,15 +59,6 @@ export default class LocalSettingsPage extends React.PureComponent {
         >
           <FormattedMessage id='settings.navbar_under' defaultMessage='Navbar at the bottom (Mobile only)' />
         </LocalSettingsPageItem>
-        <LocalSettingsPageItem
-          settings={settings}
-          item={['favourite_modal']}
-          id='mastodon-settings--favourite_modal'
-          onChange={onChange}
-        >
-          <FormattedMessage id='settings.favourite_modal' defaultMessage='Show confirmation dialog before favouriting' />
-        </LocalSettingsPageItem>
-
         <section>
           <h2><FormattedMessage id='settings.compose_box_opts' defaultMessage='Compose box options' /></h2>
           <LocalSettingsPageItem