fix: simplyfy redis, and run staging in standalone mode

kustomizations/redis/prod/kustomization.yaml

@@ -1,5 +0,0 @@
-apiVersion: kustomize.config.k8s.io/v1beta1
-kind: Kustomization
-resources:
-- nodeport.yaml
-- ../base

kustomizations/redis/prod/nodeport.yaml

@@ -1,17 +0,0 @@
-apiVersion: v1
-kind: Service
-metadata:
-  name: prod-redis-nodeport
-spec:
-  externalTrafficPolicy: Cluster
-  ports:
-  - name: redis
-    nodePort: 30379
-    port: 6379
-    protocol: TCP
-    targetPort: 6379
-  selector:
-    app.kubernetes.io/instance: prod-redis
-    app.kubernetes.io/name: redis
-  sessionAffinity: None
-  type: NodePort