chore: remove banner

Author: SoonIter

website/theme/index.tsx

@@ -1,26 +1,12 @@
-import { Announcement } from '@rstack-dev/doc-ui/announcement';
 import { NavIcon } from '@rstack-dev/doc-ui/nav-icon';
-import { NoSSR, useLang, usePageData } from 'rspress/runtime';
 import Theme from 'rspress/theme';
 import { HomeLayout } from './pages';
 import './index.scss';
 
 const Layout = () => {
-  const { page } = usePageData();
-  const lang = useLang();
   return (
     <Theme.Layout
       beforeNavTitle={<NavIcon />}
-      beforeNav={
-        <NoSSR>
-          <Announcement
-            href={`${page.routePath.replace('/zh', '')}`}
-            message={'🚧 Rslib 中文文档正在施工中，点击查阅英文文档'}
-            localStorageKey="rslib-announcement-closed"
-            display={lang === 'zh'}
-          />
-        </NoSSR>
-      }
     />
   );
 };