remove unused code (#4981)

roles/kubernetes/node/templates/cloud-configs/aws-cloud-config.j2

@@ -1,17 +1,11 @@
 [Global]
-{% if kube_version is version('v1.6', '>=') %}
 zone={{ aws_zone|default("") }}
 vpc={{ aws_vpc|default("") }}
 subnetId={{ aws_subnet_id|default("") }}
 routeTableId={{ aws_route_table_id|default("") }}
-{% if kube_version is version('v1.10', '>=') %}
 roleArn={{ aws_role_arn|default("") }}
-{% endif %}
 kubernetesClusterTag={{ aws_kubernetes_cluster_tag|default("") }}
 kubernetesClusterId={{ aws_kubernetes_cluster_id|default("") }}
 disableSecurityGroupIngress={{ "true" if aws_disable_security_group_ingress|default(False) else "false" }}
 disableStrictZoneCheck={{ "true" if aws_disable_strict_zone_check|default(False) else "false" }}
-{% if kube_version is version('v1.7', '>=') %}
 elbSecurityGroup={{ aws_elb_security_group|default("") }}
-{% endif %}
-{% endif %}

roles/kubernetes/node/templates/cloud-configs/vsphere-cloud-config.j2

@@ -4,22 +4,7 @@ password = "{{ vsphere_password }}"
 port = {{ vsphere_vcenter_port }}
 insecure-flag = {{ vsphere_insecure }}
 
-{% if kube_version is version('v1.9.2', '>=') %}
 datacenters = "{{ vsphere_datacenter }}"
-{% else %}
-datastore = "{{ vsphere_datastore }}"
-datacenter = "{{ vsphere_datacenter }}"
-working-dir = "{{ vsphere_working_dir }}"
-server = "{{ vsphere_vcenter_ip }}"
-{% if vsphere_vm_uuid is defined and vsphere_vm_uuid != ""  %}
-vm-uuid = "{{ vsphere_vm_uuid }}"
-{% endif %}
-{% if vsphere_vm_name is defined and vsphere_vm_name != ""  %}
-vm-name = "{{ vsphere_vm_name }}"
-{% endif %}
-{% endif %}
-
-{% if kube_version is version('v1.9.2', '>=') %}
 
 [VirtualCenter "{{ vsphere_vcenter_ip }}"]
 
@@ -32,7 +17,6 @@ default-datastore = "{{ vsphere_datastore }}"
 {% if vsphere_resource_pool is defined and vsphere_resource_pool != ""  %}
 resourcepool-path = "{{ vsphere_resource_pool }}"
 {% endif %}
-{% endif %}
 
 
 [Disk]
@@ -43,7 +27,6 @@ scsicontrollertype = {{ vsphere_scsi_controller_type }}
 public-network = {{ vsphere_public_network }}
 {% endif %}
 
-{% if kube_version is version('v1.12.0', '>=') %}
 [Labels]
 {% if vsphere_zone_category is defined and vsphere_zone_category != ""  %}
 zone = {{ vsphere_zone_category }}
@@ -51,4 +34,3 @@ zone = {{ vsphere_zone_category }}
 {% if vsphere_region_category is defined and vsphere_region_category != ""  %}
 region = {{ vsphere_region_category }}
 {% endif %}
-{% endif %}

roles/kubernetes/node/templates/manifests/haproxy.manifest.j2

@@ -13,9 +13,7 @@ spec:
   dnsPolicy: ClusterFirstWithHostNet
   nodeSelector:
     beta.kubernetes.io/os: linux
-{% if kube_version is version('v1.11.1', '>=') %}
   priorityClassName: system-node-critical
-{% endif %}
   containers:
   - name: haproxy
     image: {{ haproxy_image_repo }}:{{ haproxy_image_tag }}

roles/kubernetes/node/templates/manifests/nginx-proxy.manifest.j2

@@ -13,9 +13,7 @@ spec:
   dnsPolicy: ClusterFirstWithHostNet
   nodeSelector:
     beta.kubernetes.io/os: linux
-{% if kube_version is version('v1.11.1', '>=') %}
   priorityClassName: system-node-critical
-{% endif %}
   containers:
   - name: nginx-proxy
     image: {{ nginx_image_repo }}:{{ nginx_image_tag }}