docs(deploying): redirect all 'next steps' section to main deploying page

docs/deploying/generic.mdx

@@ -262,11 +262,9 @@ curl https://example.com/_matrix/client/versions
 
 ## What's next?
 
-- For smooth federation, set up a caching resolver according to the [**DNS tuning guide**](../guides/dns.mdx) (recommended)
-- To configure OIDC integration with an identity provider, see the [**delegated authentication guide**](../authentication/oidc.mdx).
-- For Audio/Video call functionality see the [**Calls**](../calls.md) page.
-- Consult the [Maintenance](../maintenance.mdx) page for guidance on maintaining your homeserver.
-- If you want to set up an appservice, take a look at the [**Appservice Guide**](../appservices.md).
+Navigate to [Post-installation](../deploying.mdx#post-installation) for next steps.
+
+---
 
 ## Appendix