Stop using fb-only markers in delete mode (example)

Differential Revision: D90421387

Author: bigfootjon

website/docs/FbFakeContent.mdx

@@ -11,6 +11,7 @@ keywords:
 import DocsRating from '@site/src/core/DocsRating';
 import {OssOnly, FbInternalOnly} from 'docusaurus-plugin-internaldocs-fb/internal';
 // @fb-only
+import FbFakeContent as FbUsePaginationFragmentReturnValue from '../../FbFakeContent.mdx'; // @oss-only
 
 ## `usePaginationFragment`
 
@@ -93,7 +94,7 @@ module.exports = FriendsList;
 ### Return Value
 
 <FbInternalOnly>
-  // @fb-only
+  <FbUsePaginationFragmentReturnValue />
 </FbInternalOnly>
 
 <OssOnly>