Remove logging for no current approvers as this is noise
Remove logging for no current approvers as this is noise

It is normal in the course of PR approval to have no current approvers,
but not normal to have no potential approvers. We should remove the logs
for the former case as it is just spam.

Signed-off-by: Steve Kuznetsov <a7da0fca91d9933d2725d731a48cabdc9e8ffd7a@redhat.com>

fejta/test-infra,brahmaroutu/test-infra,lavalamp/test-infra,kargakis/test-infra,pwittrock/test-infra,brahmaroutu/test-infra,jessfraz/test-infra,ixdy/kubernetes-test-infra,dims/test-infra,cblecker/test-infra,ixdy/kubernetes-test-infra,lavalamp/test-infra,BenTheElder/test-infra,shyamjvs/test-infra,brahmaroutu/test-infra,cblecker/test-infra,michelle192837/test-infra,BenTheElder/test-infra,brahmaroutu/test-infra,ixdy/kubernetes-test-infra,kargakis/test-infra,brahmaroutu/test-infra,monopole/test-infra,BenTheElder/test-infra,kargakis/test-infra,krzyzacy/test-infra,shyamjvs/test-infra,krzyzacy/test-infra,monopole/test-infra,lavalamp/test-infra,BenTheElder/test-infra,michelle192837/test-infra,cjwagner/test-infra,jessfraz/test-infra,jlowdermilk/test-infra,dims/test-infra,ixdy/kubernetes-test-infra,jlowdermilk/test-infra,kubernetes/test-infra,dims/test-infra,cjwagner/test-infra,krzyzacy/test-infra,BenTheElder/test-infra,cjwagner/test-infra,kargakis/test-infra,fejta/test-infra,kargakis/test-infra,jessfraz/test-infra,cjwagner/test-infra,dims/test-infra,pwittrock/test-infra,shyamjvs/test-infra,brahmaroutu/test-infra,dims/test-infra,kubernetes/test-infra,kubernetes/test-infra,fejta/test-infra,monopole/test-infra,cjwagner/test-infra,lavalamp/test-infra,lavalamp/test-infra,pwittrock/test-infra,shyamjvs/test-infra,jessfraz/test-infra,cblecker/test-infra,krzyzacy/test-infra,krzyzacy/test-infra,BenTheElder/test-infra,monopole/test-infra,jlowdermilk/test-infra,kargakis/test-infra,lavalamp/test-infra,jlowdermilk/test-infra,monopole/test-infra,fejta/test-infra,krzyzacy/test-infra,pwittrock/test-infra,cblecker/test-infra,monopole/test-infra,michelle192837/test-infra,pwittrock/test-infra,jlowdermilk/test-infra,kubernetes/test-infra,jessfraz/test-infra,kubernetes/test-infra,ixdy/kubernetes-test-infra,dims/test-infra,michelle192837/test-infra,kubernetes/test-infra,fejta/test-infra,fejta/test-infra,cblecker/test-infra,jessfraz/test-infra,jlowdermilk/test-infra,shyamjvs/test-infra,cjwagner/test-infra,michelle192837/test-infra,michelle192837/test-infra,shyamjvs/test-infra,cblecker/test-infra