Remove deprecated Argo CD application configurations for various components including cert-manager, Cilium, CSI snapshot controllers, kube-vip, and others. Update README.md to reflect the current state of leaf applications and clarify optional components. Adjust kustomization files to streamline resource management for bootstrap workloads.

clusters/noble/bootstrap/argocd/app-of-apps/kustomization.yaml

@@ -1,20 +1,9 @@
-# Sub-kustomization included by **clusters/noble/bootstrap/kustomization.yaml**.
-# Leaf Argo **Application** resources for bootstrap workloads that should appear as separate apps
-# in Argo CD under **noble-bootstrap-root**.
+# Sub-kustomization included by **clusters/noble/bootstrap/kustomization.yaml**. Leaf **Application** /
+# **AppProject** resources (Helm apps you migrate off raw **helm upgrade** in Ansible). Synced with the
+# rest of **clusters/noble/bootstrap** via **noble-bootstrap-root** once automated sync is enabled.
 apiVersion: kustomize.config.k8s.io/v1beta1
 kind: Kustomization
 resources:
-  - cilium-application.yaml
-  - metrics-server-application.yaml
-  - longhorn-application.yaml
-  - metallb-application.yaml
-  - traefik-application.yaml
-  - cert-manager-application.yaml
-  - kyverno-application.yaml
-  - kyverno-policies-application.yaml
-  - kube-vip-application.yaml
-  - csi-snapshot-crds-application.yaml
-  - csi-snapshot-controller-application.yaml
   - kube-prometheus-application.yaml
   - loki-application.yaml
   - fluent-bit-application.yaml