refactor: remove unused MdxLink import from self-hosting page

Author: DarkPhoenix2704

app/docs/self-hosting/[[...slug]]/page.tsx

@@ -2,7 +2,6 @@ import {selfHostingSource} from '@/lib/source';
 import {DocsBody, DocsDescription, DocsTitle,} from 'fumadocs-ui/page';
 import {notFound} from 'next/navigation';
 import {getMDXComponents} from '@/mdx-components';
-import MdxLink from "@/components/mdx/MdxLink";
 import { AnchorProvider } from 'fumadocs-core/toc';
 import { Toc, TOCScrollArea} from 'fumadocs-ui/components/layout/toc';
 import ClerkTOCItems from 'fumadocs-ui/components/layout/toc-clerk';