Update pgadmin to self provision

pgadmin/helmrelease-pgadmin.yaml

@@ -238,7 +238,7 @@ spec:
       ##   GKE, AWS & OpenStack)
       ##
       # storageClass: "-"
-      existingClaim: "pgadmin-pvc"
+      #existingClaim: "pgadmin-pvc"
 
     ## Additional volumes to be added to the deployment
     ##

pgadmin/pgadmin-pvc.yaml

@@ -1,12 +0,0 @@
-apiVersion: v1
-kind: PersistentVolumeClaim
-metadata:
-  name: pgadmin-pvc
-  namespace: postgresql-system
-spec:
-  accessModes:
-    - ReadWriteOnce
-  storageClassName: longhorn
-  resources:
-    requests:
-      storage: 1Gi