Remove duplicate security-group overrides
Remove duplicate security-group overrides

gambol99/kops,gambol99/kops,justinsb/kops,blakebarnett/kops,gambol99/kops,aledbf/kops,aledbf/kops,blakebarnett/kops,robinpercy/kops,gambol99/kops,kubernetes/kops,aledbf/kops,robinpercy/kops,justinsb/kops,kubernetes/kops,justinsb/kops,robinpercy/kops,blakebarnett/kops,blakebarnett/kops,aledbf/kops,robinpercy/kops,kubernetes/kops