Refactor: move openebs and sealed-secrets to ArgoCD, use valuesObject

- Remove OpenEBS from k0s.yaml bootstrap (deploy via ArgoCD instead)
- Remove sealed-secrets from bootstrap Helm chart (deploy via ArgoCD)
- Convert helm values to valuesObject in Argo apps

bootstrap/k0s.yaml

@@ -21,8 +21,6 @@ spec:
       repositories:
         - name: cilium
           url: https://helm.cilium.io/
-        - name: openebs
-          url: https://openebs.github.io/openebs
       charts:
         - name: cilium
           chartname: cilium/cilium
@@ -39,32 +37,6 @@ spec:
               replicas: 1
             routingMode: tunnel
             tunnelProtocol: vxlan
-        - name: openebs
-          chartname: openebs/openebs
-          version: "4.2.0"
-          namespace: openebs
-          order: 2
-          values: |
-            localpv-provisioner:
-              localpv:
-                basePath: /var/openebs/local
-            engines:
-              replicated:
-                mayastor:
-                  enabled: false
-              local:
-                zfs:
-                  enabled: false
-                rawfile:
-                  enabled: false
-                lvm:
-                  enabled: false
-            loki:
-              enabled: false
-            minio:
-              enabled: false
-            alloy:
-              enabled: false
   installConfig:
     users:
       etcdUser: etcd