ui: remove babel

packages/ui-default/components/contest/contest.page.js

@@ -5,20 +5,20 @@ import request from 'vj/utils/request';
 import Notification from 'vj/components/notification';
 
 const contestPage = new AutoloadPage('contestPage', () => {
-    $('[data-contest-code]').on('click', (ev) => {
-        ev.preventDefault();
-        // eslint-disable-next-line no-alert
-        const code = prompt(i18n('Invitation code:'));
-        request.post('', {
-            operation: 'attend',
-            code,
-        }).then(() => {
-            Notification.success(i18n('Successfully attended'));
-            delay(1000).then(() => window.location.reload());
-        }).catch((e) => {
-            Notification.error(e.message || e);
-        });
+  $('[data-contest-code]').on('click', (ev) => {
+    ev.preventDefault();
+    // eslint-disable-next-line no-alert
+    const code = prompt(i18n('Invitation code:'));
+    request.post('', {
+      operation: 'attend',
+      code,
+    }).then(() => {
+      Notification.success(i18n('Successfully attended'));
+      delay(1000).then(() => window.location.reload());
+    }).catch((e) => {
+      Notification.error(e.message || e);
     });
+  });
 });
 
 export default contestPage;