Use `make generated_files` instead of bazel

Ran into https://github.com/bazelbuild/rules_go/issues/661, which has
been fixed at HEAD, but is broken at tag 1.7.3

hack/godeps/godep-save.sh

@@ -29,7 +29,7 @@ godep::sync_staging
 rm -rf ${MINIKUBE_ROOT}/vendor ${MINIKUBE_ROOT}/Godeps
 godep save ./...
 
-cp -r ${KUBE_ROOT}/bazel-genfiles/pkg/generated/openapi ${MINIKUBE_ROOT}/vendor/k8s.io/kubernetes/pkg/generated/
+cp -r ${KUBE_ROOT}/pkg/generated/openapi ${MINIKUBE_ROOT}/vendor/k8s.io/kubernetes/pkg/generated/
 
 godep::remove_staging_from_json
 git checkout -- ${MINIKUBE_ROOT}/vendor/golang.org/x/sys/windows

hack/godeps/utils.sh

@@ -55,8 +55,8 @@ done
 godep::restore_kubernetes() {
   pushd ${KUBE_ROOT} >/dev/null
     git checkout ${KUBE_VERSION}
+    make generated_files
     ./hack/godep-restore.sh
-    bazel build //pkg/generated/openapi:zz_generated.openapi
   popd >/dev/null
   godep::sync_staging
 }