This commit remove the v1beta1 snapshot references as its
no longer valid or to be concerned about.
Signed-off-by: Humble Chirammal <hchiramm@redhat.com>
With v4.0.0 release of external-snapshotter, we are moving towards v1
from v1beta1 API version
Signed-off-by: Prasanna Kumar Kalever <prasanna.kalever@redhat.com>