/docs/reference/setup-tools/kubeadm/kubeadm/ is redirected to
/docs/reference/setup-tools/kubeadm/
This replaces the redirect links of kubeadm with the direct links.
* 1.13 blog post
* Update and rename 2018-12-03-kubernetes-1-13-release.md to 2018-12-03-kubernetes-1-13-release-announcement.md
* Update 2018-12-03-kubernetes-1-13-release-announcement.md
* Delete 2018-11-07-grpc-load-balancing-with-linkerd.md