e2e: remove 1.17 based test enablement in rbd
e2e: remove 1.17 based test enablement in rbd

considering we are far out of this release and only care about
kubernetes releases from v1.20, there is no need to have this
version check in place for the tests.

Signed-off-by: Humble Chirammal <dc8ba7e82a7df22725dedec9b10c7aaab9ec713f@redhat.com>

ceph/ceph-csi,ceph/ceph-csi,ceph/ceph-csi,ceph/ceph-csi