Refine public docs generation and simplify topology diagrams

scripts/docs/generate-docs-index.py

@@ -15,7 +15,6 @@ This directory contains documentation generated automatically from repository co
 - [Resolved Docker Compose config](docker-compose.resolved.yml)
 - [Compose inventory](compose-inventory.md)
 - [Traefik routes](traefik-routes.md)
-- [Prometheus rules](prometheus-rules.md)
 - [Docker Compose diagram](../diagrams/docker-compose.svg)
 """
 )