Upgrade kubernetes to v1.13.0 (#3810)

* Upgrade kubernetes to v1.13.0

* Remove all precense of scheduler.alpha.kubernetes.io/critical-pod in templates

* Fix cert dir

* Use kubespray v2.8 as baseline for gitlab

roles/kubernetes-apps/ansible/templates/dns-autoscaler.yml.j2

@@ -31,7 +31,6 @@ spec:
       labels:
         k8s-app: dns-autoscaler{{ coredns_ordinal_suffix | default('') }}
       annotations:
-        scheduler.alpha.kubernetes.io/critical-pod: ''
         seccomp.security.alpha.kubernetes.io/pod: 'docker/default'
     spec:
 {% if kube_version is version('v1.11.1', '>=') %}

roles/kubernetes-apps/ansible/templates/kubedns-deploy.yml.j2

@@ -25,7 +25,6 @@ spec:
       labels:
         k8s-app: kube-dns
       annotations:
-        scheduler.alpha.kubernetes.io/critical-pod: ''
         seccomp.security.alpha.kubernetes.io/pod: 'docker/default'
     spec:
 {% if kube_version is version('v1.11.1', '>=') %}

roles/kubernetes-apps/container_engine_accelerator/nvidia_gpu/templates/k8s-device-plugin-nvidia-daemonset.yml.j2

@@ -14,8 +14,6 @@ spec:
     metadata:
       labels:
         k8s-app: nvidia-gpu-device-plugin
-      annotations:
-        scheduler.alpha.kubernetes.io/critical-pod: ''
     spec:
       priorityClassName: system-node-critical
       affinity:

roles/kubernetes-apps/container_engine_accelerator/nvidia_gpu/templates/nvidia-driver-install-daemonset.yml.j2

@@ -22,8 +22,6 @@ spec:
     metadata:
       labels:
         name: nvidia-driver-installer
-      annotations:
-        scheduler.alpha.kubernetes.io/critical-pod: ''
     spec:
       priorityClassName: system-node-critical
       affinity:

roles/kubernetes-apps/metrics_server/templates/metrics-server-deployment.yaml.j2

@@ -21,7 +21,6 @@ spec:
         app.kubernetes.io/name: metrics-server
         version: {{ metrics_server_version }}
       annotations:
-        scheduler.alpha.kubernetes.io/critical-pod: ''
         seccomp.security.alpha.kubernetes.io/pod: 'docker/default'
     spec:
 {% if kube_version is version('v1.11.1', '>=') %}

roles/kubernetes-apps/policy_controller/calico/templates/calico-kube-controllers.yml.j2

@@ -6,8 +6,6 @@ metadata:
   labels:
     k8s-app: calico-kube-controllers
     kubernetes.io/cluster-service: "true"
-  annotations:
-    scheduler.alpha.kubernetes.io/critical-pod: ''
 spec:
   replicas: 1
   strategy: