Remove k8s hooks for versions prior to 1.20 (#7998)

roles/kubernetes-apps/csi_driver/csi_crd/templates/volumesnapshotclasses.yml.j2

@@ -58,11 +58,7 @@ spec:
         - driver
         type: object
     served: true
-{% if kube_version is version('v1.20.0', '<') %}
-    storage: false
-{% else %}
     storage: true
-{% endif %}
     subresources: {}
   - additionalPrinterColumns:
     - jsonPath: .driver
@@ -76,13 +72,11 @@ spec:
       name: Age
       type: date
     name: v1beta1
-{% if kube_version is version('v1.20.0', '>=') %}
     # This indicates the v1beta1 version of the custom resource is deprecated.
     # API requests to this version receive a warning in the server response.
     deprecated: true
     # This overrides the default warning returned to clients making v1beta1 API requests.
     deprecationWarning: "snapshot.storage.k8s.io/v1beta1 VolumeSnapshotClass is deprecated; use snapshot.storage.k8s.io/v1 VolumeSnapshotClass"
-{% endif %}
     schema:
       openAPIV3Schema:
         description: VolumeSnapshotClass specifies parameters that a underlying storage system uses when creating a volume snapshot. A specific VolumeSnapshotClass is used by specifying its name in a VolumeSnapshot object. VolumeSnapshotClasses are non-namespaced
@@ -112,11 +106,7 @@ spec:
         - driver
         type: object
     served: true
-{% if kube_version is version('v1.20.0', '<') %}
-    storage: true
-{% else %}
     storage: false
-{% endif %}
     subresources: {}
 status:
   acceptedNames: