remove previous/next button

src/theme/DocItem/Paginator/index.tsx

@@ -0,0 +1,12 @@
+import React, {type ReactNode} from 'react';
+import {useDoc} from '@docusaurus/plugin-content-docs/client';
+import DocPaginator from '@theme/DocPaginator';
+
+/**
+ * This extra component is needed, because <DocPaginator> should remain generic.
+ * DocPaginator is used in non-docs contexts too: generated-index pages...
+ */
+export default function DocItemPaginator(): ReactNode {
+  const {metadata} = useDoc();
+  return null;
+}