Fix omitEmpty tag: only omitempty is valid
Fix omitEmpty tag: only omitempty is valid

Although actually omitEmpty appears to be recognized, although it is not
"traditional".

faraazkhan/kops,leandrocr/kops,justinsb/kops,leandrocr/kops,chrislovecnm/kops,tsupertramp/kops,dacohen/kops,andrewsykim/kops,pdh/kops,justinsb/kops,BradErz/kops,blakebarnett/kops,andrewsykim/kops,DualSpark/kops,robinpercy/kops,pdh/kops,dacohen/kops,dacohen/kops,WillemMali/kops,reactiveops/kops,mad01/kops,mad01/kops,blakebarnett/kops,BradErz/kops,leandrocr/kops,kris-nova/kops,sethpollack/kops,DualSpark/kops,robinpercy/kops,aledbf/kops,WillemMali/kops,reactiveops/kops,gambol99/kops,aledbf/kops,leandrocr/kops,BradErz/kops,tsupertramp/kops,blakebarnett/kops,austinmoore-/kops,kris-nova/kops,faraazkhan/kops,WillemMali/kops,faraazkhan/kops,kubernetes/kops,MadDogTechnology/kops,tsupertramp/kops,faraazkhan/kops,aledbf/kops,sethpollack/kops,gambol99/kops,reactiveops/kops,gambol99/kops,MadDogTechnology/kops,BradErz/kops,kubernetes/kops,aledbf/kops,chrislovecnm/kops,blakebarnett/kops,justinsb/kops,reactiveops/kops,andrewsykim/kops,DualSpark/kops,pdh/kops,kris-nova/kops,robinpercy/kops,dacohen/kops,robinpercy/kops,WillemMali/kops,sethpollack/kops,austinmoore-/kops,austinmoore-/kops,DualSpark/kops,MadDogTechnology/kops,andrewsykim/kops,kris-nova/kops,tsupertramp/kops,sethpollack/kops,mad01/kops,gambol99/kops,mad01/kops,kubernetes/kops,chrislovecnm/kops,austinmoore-/kops,MadDogTechnology/kops,pdh/kops,chrislovecnm/kops