helm: Remove unnecessary admissionregistration.k8s.io/v1beta1 (kubernetes-sigs#2443)

Author: johngmyers

helm/aws-load-balancer-controller/templates/webhook.yaml

@@ -1,10 +1,6 @@
 {{ $tls := fromYaml ( include "aws-load-balancer-controller.webhook-certs" . ) }}
 ---
-{{- if .Capabilities.APIVersions.Has "admissionregistration.k8s.io/v1" }}
 apiVersion: admissionregistration.k8s.io/v1
-{{- else }}
-apiVersion: admissionregistration.k8s.io/v1beta1
-{{- end }}
 kind: MutatingWebhookConfiguration
 metadata:
 {{- if $.Values.enableCertManager }}
@@ -76,11 +72,7 @@ webhooks:
     - targetgroupbindings
   sideEffects: None
 ---
-{{- if .Capabilities.APIVersions.Has "admissionregistration.k8s.io/v1" }}
 apiVersion: admissionregistration.k8s.io/v1
-{{- else }}
-apiVersion: admissionregistration.k8s.io/v1beta1
-{{- end }}
 kind: ValidatingWebhookConfiguration
 metadata:
 {{- if $.Values.enableCertManager }}