Convert RKE2 registries to hiera-driven template, disable default endpoints

- Replace static registries.yaml with EPP template driven by rke2::registries hash
- Add disable-default-registry-endpoint: true to all mirrors
- Registry configuration now managed via hiera data in roles/infra/k8s.yaml

modules/rke2/files/registries.yaml

@@ -1,38 +0,0 @@
----
-# DO NOT MODIFY - MANAGED BY PUPPET
-mirrors:
-  docker.io:
-    endpoint:
-      - "https://artifactapi.k8s.syd1.au.unkin.net"
-    rewrite:
-      "^(.*)$": "dockerhub/$1"
-  ghcr.io:
-    endpoint:
-      - "https://artifactapi.k8s.syd1.au.unkin.net"
-    rewrite:
-      "^(.*)$": "ghcr/$1"
-  quay.io:
-    endpoint:
-      - "https://artifactapi.k8s.syd1.au.unkin.net"
-    rewrite:
-      "^(.*)$": "quay/$1"
-  registry.k8s.io:
-    endpoint:
-      - "https://artifactapi.k8s.syd1.au.unkin.net"
-    rewrite:
-      "^(.*)$": "k8s-registry/$1"
-  registry.gitlab.com:
-    endpoint:
-      - "https://artifactapi.k8s.syd1.au.unkin.net"
-    rewrite:
-      "^(.*)$": "gitlab/$1"
-  docker.elastic.co:
-    endpoint:
-      - "https://artifactapi.k8s.syd1.au.unkin.net"
-    rewrite:
-      "^(.*)$": "elastic/$1"
-  gcr.io:
-    endpoint:
-      - "https://artifactapi.k8s.syd1.au.unkin.net"
-    rewrite:
-      "^(.*)$": "gcr/$1"