Revert "feat: 实现基础滚动位置恢复功能"

This reverts commit 4042395e3e.

frontend/src/layouts/AdminLayout.tsx

@@ -13,7 +13,6 @@ import BackToTop from '../components/BackToTop';
 import { loginPath } from '../utils/authRedirect';
 import { useSiteBranding } from '../hooks/useSiteBranding';
 import { useNoIndexSEO } from '../hooks/usePageSEO';
-import { useScrollRestoration } from '../hooks/useScrollRestoration';
 import SiteBrandMark from '../components/SiteBrandMark';
 import { api } from '../api/client';
 
@@ -81,7 +80,6 @@ export default function AdminLayout() {
   const { theme, toggle } = useTheme();
   const { branding } = useSiteBranding();
   useNoIndexSEO('管理后台');
-  useScrollRestoration();
   const isNarrow = useMediaQuery('(max-width: 768px)');
   const [navOpen, setNavOpen] = useState(false);
   const [pending, setPending] = useState<PendingCounts>({ posts: 0, comments: 0, reports: 0 });