Removes Preview flag and CLI requirement

Author: chasewilson

articles/aks/internal-lb.md

@@ -99,13 +99,12 @@ internal-app   LoadBalancer   10.0.184.168   10.240.0.25   80:30225/TCP   4m
 
 For more information on configuring your load balancer in a different subnet, see [Specify a different subnet][different-subnet]
 
-## Connect Azure Private Link service to internal load balancer (Preview)
+## Connect Azure Private Link service to internal load balancer
 
 ### Before you begin
 
 You must have the following resources:
 
-* Azure CLI version 2.0.59 or later.
 * Kubernetes version 1.22.x or later.
 * An existing resource group with a VNet and subnet. This resource group is where you'll [create the private endpoint](#create-a-private-endpoint-to-the-private-link-service). If you don't have these resources, see [Create a virtual network and subnet][aks-vnet-subnet].