fix(kubernetes): remove deprecated kubelet CLI flags

Remove cgroups-per-qos, cgroup-driver, and kernel-memcg-notification from
kubeletExtraArgs. These flags are deprecated or already removed from kubelet CLI,
and their functionality is either the default behavior or handled via
KubeletConfiguration.

Signed-off-by: Arsolitt <arsolitt@gmail.com>

packages/apps/kubernetes/templates/cluster.yaml

@@ -428,9 +428,6 @@ spec:
             # proportional to the 256Mi-1Gi auto-computed reservation range.
             eviction-minimum-reclaim: "memory.available=256Mi"
             enforce-node-allocatable: "pods"
-            cgroups-per-qos: "true"
-            cgroup-driver: "systemd"
-            kernel-memcg-notification: "true"
           ignorePreflightErrors:
           - FileExisting-conntrack
         discovery:

packages/apps/kubernetes/tests/kubelet-reservation_test.yaml

@@ -64,18 +64,6 @@ tests:
           path: spec.template.spec.joinConfiguration.nodeRegistration.kubeletExtraArgs.enforce-node-allocatable
           value: "pods"
         documentIndex: 4
-      - equal:
-          path: spec.template.spec.joinConfiguration.nodeRegistration.kubeletExtraArgs.cgroups-per-qos
-          value: "true"
-        documentIndex: 4
-      - equal:
-          path: spec.template.spec.joinConfiguration.nodeRegistration.kubeletExtraArgs.cgroup-driver
-          value: "systemd"
-        documentIndex: 4
-      - equal:
-          path: spec.template.spec.joinConfiguration.nodeRegistration.kubeletExtraArgs.kernel-memcg-notification
-          value: "true"
-        documentIndex: 4
 
   ##########################################
   # Empty kubelet: {} falls back to defaults
@@ -698,18 +686,6 @@ tests:
           path: spec.template.spec.joinConfiguration.nodeRegistration.kubeletExtraArgs.enforce-node-allocatable
           value: "pods"
         documentIndex: 4
-      - equal:
-          path: spec.template.spec.joinConfiguration.nodeRegistration.kubeletExtraArgs.cgroups-per-qos
-          value: "true"
-        documentIndex: 4
-      - equal:
-          path: spec.template.spec.joinConfiguration.nodeRegistration.kubeletExtraArgs.cgroup-driver
-          value: "systemd"
-        documentIndex: 4
-      - equal:
-          path: spec.template.spec.joinConfiguration.nodeRegistration.kubeletExtraArgs.kernel-memcg-notification
-          value: "true"
-        documentIndex: 4
       - equal:
           path: spec.template.spec.joinConfiguration.nodeRegistration.kubeletExtraArgs.eviction-soft-grace-period
           value: "memory.available=1m30s,nodefs.available=1m30s,imagefs.available=1m30s"