docs(api-server): remove remote configuration card

- Removed the 'Remote Configuration' card from the API server features page
- This change reflects the removal of remote configuration functionality from the API server

Author: fulleni

src/content/docs/api-server/features/index.mdx

@@ -24,8 +24,4 @@ The API server is packed with features designed for a modern, scalable news appl
     Explore the granular permission system that secures the API.
     [Read more →](/docs/api-server/features/rbac)
   </Card>
-  <Card title="Remote Configuration" icon="settings">
-    Learn how you can dynamically control app behavior from the server.
-    [Read more &rarr;](/docs/api-server/features/remote-config)
-  </Card>
 </CardGrid>