version: omitempty on String()
version: omitempty on String()

we already have set omitempty on the JSON version, but the String() method left in empty strings. Fix this

Signed-off-by: Peter Hunt <fb7b1ad57b81f1e149129d77ecccc59c02fe0648@redhat.com>

kubernetes-incubator/cri-o,kubernetes-incubator/ocid,kubernetes-incubator/cri-o,kubernetes-incubator/ocid,kubernetes-incubator/cri-o,kubernetes-incubator/ocid,nalind/cri-o,kubernetes-incubator/cri-o,nalind/cri-o,nalind/cri-o