Merge pull request #39740 from pacoxu/ControllerManagerLeaderMigration-remove-v1.27

removed ControllerManagerLeaderMigration in v1.27

Author: k8s-ci-robot

content/en/docs/reference/command-line-tools-reference/feature-gates-removed.md

@@ -93,6 +93,9 @@ In the following table:
 | `CronJobControllerV2` | `true` | GA | 1.22 | 1.23 |
 | `CSRDuration` | `true` | Beta | 1.22 | 1.23 |
 | `CSRDuration` | `true` | GA | 1.24 | 1.25 |
+| `ControllerManagerLeaderMigration` | `false` | Alpha | 1.21 | 1.21 |
+| `ControllerManagerLeaderMigration` | `true` | Beta | 1.22 | 1.23 |
+| `ControllerManagerLeaderMigration` | `true` | GA | 1.24 | 1.26 |
 | `CustomPodDNS` | `false` | Alpha | 1.9 | 1.9 |
 | `CustomPodDNS` | `true` | Beta| 1.10 | 1.13 |
 | `CustomPodDNS` | `true` | GA | 1.14 | 1.16 |
@@ -477,6 +480,13 @@ In the following table:
   {{< glossary_tooltip text="CronJob" term_id="cronjob" >}} controller. Otherwise,
   version 1 of the same controller is selected.
 
+- `ControllerManagerLeaderMigration`: Enables Leader Migration for
+  [kube-controller-manager](/docs/tasks/administer-cluster/controller-manager-leader-migration/#initial-leader-migration-configuration) and
+  [cloud-controller-manager](/docs/tasks/administer-cluster/controller-manager-leader-migration/#deploy-cloud-controller-manager)
+  which allows a cluster operator to live migrate
+  controllers from the kube-controller-manager into an external controller-manager
+  (e.g. the cloud-controller-manager) in an HA cluster without downtime.
+
 - `CustomPodDNS`: Enable customizing the DNS settings for a Pod using its `dnsConfig` property.
   Check [Pod's DNS Config](/docs/concepts/services-networking/dns-pod-service/#pods-dns-config)
   for more details.

content/en/docs/reference/command-line-tools-reference/feature-gates.md

@@ -251,9 +251,6 @@ For a reference to old feature gates that are removed, please refer to
 | `CSIStorageCapacity` | `true` | Beta | 1.21 | 1.23 |
 | `CSIStorageCapacity` | `true` | GA | 1.24 | - |
 | `ConsistentHTTPGetHandlers` | `true` | GA | 1.25 | - |
-| `ControllerManagerLeaderMigration` | `false` | Alpha | 1.21 | 1.21 |
-| `ControllerManagerLeaderMigration` | `true` | Beta | 1.22 | 1.23 |
-| `ControllerManagerLeaderMigration` | `true` | GA | 1.24 | - |
 | `DaemonSetUpdateSurge` | `false` | Alpha | 1.21 | 1.21 |
 | `DaemonSetUpdateSurge` | `true` | Beta | 1.22 | 1.24 |
 | `DaemonSetUpdateSurge` | `true` | GA | 1.25 | - |
@@ -390,12 +387,6 @@ Each feature gate is designed for enabling/disabling a specific feature:
   See [AppArmor Tutorial](/docs/tutorials/security/apparmor/) for more details.
 - `ContainerCheckpoint`: Enables the kubelet `checkpoint` API.
   See [Kubelet Checkpoint API](/docs/reference/node/kubelet-checkpoint-api/) for more details.
-- `ControllerManagerLeaderMigration`: Enables Leader Migration for
-  [kube-controller-manager](/docs/tasks/administer-cluster/controller-manager-leader-migration/#initial-leader-migration-configuration) and
-  [cloud-controller-manager](/docs/tasks/administer-cluster/controller-manager-leader-migration/#deploy-cloud-controller-manager)
-  which allows a cluster operator to live migrate
-  controllers from the kube-controller-manager into an external controller-manager
-  (e.g. the cloud-controller-manager) in an HA cluster without downtime.
 - `CPUManager`: Enable container level CPU affinity support, see
   [CPU Management Policies](/docs/tasks/administer-cluster/cpu-management-policies/).
 - `CPUManagerPolicyAlphaOptions`: This allows fine-tuning of CPUManager policies,
@@ -467,8 +458,6 @@ Each feature gate is designed for enabling/disabling a specific feature:
   handlers with probers.
 - `ContextualLogging`: When you enable this feature gate, Kubernetes components that support
    contextual logging add extra detail to log output.
-- `ControllerManagerLeaderMigration`: Enables leader migration for
-  `kube-controller-manager` and `cloud-controller-manager`.
 - `CronJobTimeZone`: Allow the use of the `timeZone` optional field in [CronJobs](/docs/concepts/workloads/controllers/cron-jobs/)
 - `CrossNamespaceVolumeDataSource`: Enable the usage of cross namespace volume data source
    to allow you to specify a source namespace in the `dataSourceRef` field of a

content/en/docs/tasks/administer-cluster/controller-manager-leader-migration.md

@@ -10,8 +10,6 @@ weight: 250
 
 <!-- overview -->
 
-{{< feature-state for_k8s_version="v1.24" state="stable"  >}}
-
 {{< glossary_definition term_id="cloud-controller-manager" length="all" prepend="The cloud-controller-manager is">}}
 
 ## Background