uncomment exit trap to cleanup tmpdir

Author: BenTheElder

Diff for: hack/verify-internal-modules.sh

@@ -26,7 +26,7 @@ kube::util::ensure_clean_working_dir
 kube::golang::setup_env
 
 _tmpdir="$(kube::realpath "$(mktemp -d -t verify-internal-modules.XXXXXX)")"
-#kube::util::trap_add "rm -rf ${_tmpdir}" EXIT
+kube::util::trap_add "rm -rf ${_tmpdir:?}" EXIT
 
 _tmp_gopath="${_tmpdir}/go"
 _tmp_kuberoot="${_tmp_gopath}/src/k8s.io/kubernetes"