fix: cluster user settings and secrets should be optional (#1245)

* fix: cluster user settings and secrets should be optional

* Delete bootstrap/templates/kubernetes/flux/vars/cluster-secrets-user.sops.yaml.j2

* Delete bootstrap/templates/kubernetes/flux/vars/cluster-settings-user.yaml.j2

* Update kustomization.yaml.j2

* Update storageclass.yaml.j2

bootstrap/templates/kubernetes/flux/apps.yaml.j2

@@ -23,8 +23,10 @@ spec:
         name: cluster-secrets
       - kind: ConfigMap
         name: cluster-settings-user
+        optional: true
       - kind: Secret
         name: cluster-secrets-user
+        optional: true
   patches:
     - patch: |-
         apiVersion: kustomize.toolkit.fluxcd.io/v1
@@ -44,8 +46,10 @@ spec:
                 name: cluster-secrets
               - kind: ConfigMap
                 name: cluster-settings-user
+                optional: true
               - kind: Secret
                 name: cluster-secrets-user
+                optional: true
       target:
         group: kustomize.toolkit.fluxcd.io
         kind: Kustomization