Move the CRI endpoint setting to kubelet config (#11550)

The `--container-runtime-endpoint` kubelet argument is deprecated in
favor of the config file alternative.

roles/kubernetes/node/templates/kubelet.env.v1beta1.j2

@@ -11,7 +11,6 @@ KUBELET_HOSTNAME="--hostname-override={{ kube_override_hostname }}"
 --config={{ kube_config_dir }}/kubelet-config.yaml \
 --kubeconfig={{ kube_config_dir }}/kubelet.conf \
 {# end kubeadm specific settings #}
---container-runtime-endpoint={{ cri_socket }} \
 --runtime-cgroups={{ kubelet_runtime_cgroups }} \
 {% endset %}