Merge pull request #26302 from RainbowMango/pr_update_admission_controllers

Update validatingadmissionwebhook and mutatingadmissionwebhook docs

Author: k8s-ci-robot

content/en/docs/reference/access-authn-authz/admission-controllers.md

@@ -462,8 +462,6 @@ and the [example of Limit Range](/docs/tasks/administer-cluster/manage-resources
 
 ### MutatingAdmissionWebhook {#mutatingadmissionwebhook}
 
-{{< feature-state for_k8s_version="v1.13" state="beta" >}}
-
 This admission controller calls any mutating webhooks which match the request. Matching
 webhooks are called in serial; each one may modify the object if it desires.
 
@@ -474,7 +472,7 @@ If a webhook called by this has side effects (for example, decrementing quota) i
 webhooks or validating admission controllers will permit the request to finish.
 
 If you disable the MutatingAdmissionWebhook, you must also disable the
-`MutatingWebhookConfiguration` object in the `admissionregistration.k8s.io/v1beta1`
+`MutatingWebhookConfiguration` object in the `admissionregistration.k8s.io/v1`
 group/version via the `--runtime-config` flag (both are on by default in
 versions >= 1.9).
 
@@ -486,8 +484,6 @@ versions >= 1.9).
    different when read back.
    * Setting originally unset fields is less likely to cause problems than
      overwriting fields set in the original request. Avoid doing the latter.
- * This is a beta feature. Future versions of Kubernetes may restrict the types of
-   mutations these webhooks can make.
  * Future changes to control loops for built-in resources or third-party resources
    may break webhooks that work well today. Even when the webhook installation API
    is finalized, not all possible webhook behaviors will be guaranteed to be supported
@@ -766,8 +762,6 @@ This admission controller {{< glossary_tooltip text="taints" term_id="taint" >}}
 
 ### ValidatingAdmissionWebhook {#validatingadmissionwebhook}
 
-{{< feature-state for_k8s_version="v1.13" state="beta" >}}
-
 This admission controller calls any validating webhooks which match the request. Matching
 webhooks are called in parallel; if any of them rejects the request, the request
 fails. This admission controller only runs in the validation phase; the webhooks it calls may not
@@ -778,7 +772,7 @@ If a webhook called by this has side effects (for example, decrementing quota) i
 webhooks or other validating admission controllers will permit the request to finish.
 
 If you disable the ValidatingAdmissionWebhook, you must also disable the
-`ValidatingWebhookConfiguration` object in the `admissionregistration.k8s.io/v1beta1`
+`ValidatingWebhookConfiguration` object in the `admissionregistration.k8s.io/v1`
 group/version via the `--runtime-config` flag (both are on by default in
 versions 1.9 and later).