revert psql edit

deploy/cloudnativepg/postgres-base.yaml

@@ -1,5 +1,5 @@
 apiVersion: postgresql.cnpg.io/v1
-kind: PostgresCluster
+kind: Cluster
 metadata:
   name: postgres-base
   namespace: postgres
@@ -8,6 +8,4 @@ spec:
   storage:
     size: 20Gi
     storageClass: longhorn
-  enableSuperuserAccess: true
-  extensions:
-    - vector
+  enableSuperuserAccess: true