Fix（#13396）Delete the leftover eviction_hard_control_plane variable (#13400)

inventory/sample/group_vars/k8s_cluster/k8s-cluster.yml

@@ -293,7 +293,6 @@ default_kubelet_config_dir: "{{ kube_config_dir }}/dynamic_kubelet_dir"
 ## Eviction Thresholds to avoid system OOMs
 # https://kubernetes.io/docs/tasks/administer-cluster/reserve-compute-resources/#eviction-thresholds
 # eviction_hard: {}
-# eviction_hard_control_plane: {}
 
 # An alternative flexvolume plugin directory
 # kubelet_flexvolumes_plugins_dir: /usr/libexec/kubernetes/kubelet-plugins/volume/exec

roles/kubernetes/node/defaults/main.yml

@@ -56,7 +56,6 @@ system_pid_reserved: 1000
 ## Eviction Thresholds to avoid system OOMs
 # https://kubernetes.io/docs/tasks/administer-cluster/reserve-compute-resources/#eviction-thresholds
 eviction_hard: {}
-eviction_hard_control_plane: {}
 
 kubelet_status_update_frequency: 10s
 

roles/validate_inventory/tasks/main.yml

@@ -11,6 +11,7 @@
     # Always remove items from this list after the release in comments
     removed_vars:
       - kubelet_static_pod_path # 2.31.0
+      - eviction_hard_control_plane # 2.31.0
     removed_vars_found: "{{ query('varnames', '^' + (removed_vars | join('|')) + '$') }}"
   assert:
     that: removed_vars_found | length == 0