Update SAML documentation by removing further reading

Removed further reading section and retained SAML Endpoints reference. We don't typically do this type of section as the menu contains related pages.

Author: maartenba

astro/src/content/docs/identityserver/saml/index.md

@@ -90,10 +90,3 @@ SAML 2.0 endpoints are registered under the `/saml` path prefix:
 | Logout Callback   | `/saml/logout_callback` |
 
 See [SAML Endpoints](/identityserver/saml/endpoints/) for full details.
-
-## Further Reading
-
-* [SAML Configuration](/identityserver/saml/configuration/) — `SamlOptions`, `SamlServiceProvider` model, and enums
-* [Service Provider Store](/identityserver/saml/service-providers/) — how to register and manage SPs
-* [SAML Endpoints](/identityserver/saml/endpoints/) — protocol endpoint details
-* [SAML Extensibility](/identityserver/saml/extensibility/) — overridable services and interfaces