travis: Remove go-vet and boilerplate checking
travis: Remove go-vet and boilerplate checking

These are covered by prow jobs now.

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