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

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