remove unused kubelet options (#5903)

inventory/sample/group_vars/k8s-cluster/k8s-cluster.yml

@@ -227,10 +227,6 @@ podsecuritypolicy_enabled: false
 # Download kubectl onto the host that runs Ansible in {{ bin_dir }}
 # kubectl_localhost: false
 
-
-#  Enable creation of QoS cgroup hierarchy, if true top level QoS and pod cgroups are created. (default true)
-# kubelet_cgroups_per_qos: true
-
 # A comma separated list of levels of node allocatable enforcement to be enforced by kubelet.
 # Acceptable options are 'pods', 'system-reserved', 'kube-reserved' and ''. Default is "".
 # kubelet_enforce_node_allocatable: pods

roles/kubernetes/node/defaults/main.yml

@@ -11,10 +11,6 @@ kubelet_bind_address: "{{ ip | default('0.0.0.0') }}"
 # resolv.conf to base dns config
 kube_resolv_conf: "/etc/resolv.conf"
 
-# These options reflect limitations of running kubelet in a container.
-# Modify at your own risk
-kubelet_enable_cri: true
-kubelet_cgroups_per_qos: true
 # Set to empty to avoid cgroup creation
 kubelet_enforce_node_allocatable: "\"\""
 
@@ -23,10 +19,6 @@ kubelet_runtime_cgroups: "/systemd/system.slice"
 # Set kubelet cgroups
 kubelet_kubelet_cgroups: "/systemd/system.slice"
 
-# Set false to enable sharing a pid namespace between containers in a pod.
-# Note that PID namespace sharing requires docker >= 1.13.1.
-kubelet_disable_shared_pid: true
-
 ### fail with swap on (default true)
 kubelet_fail_swap_on: true