Revert deprecated attribute (#69)

Author: bjorges

aks.tf

@@ -114,15 +114,15 @@ resource "azurerm_subnet" "k8s_agent_subnet" {
 }
 
 resource "azurerm_kubernetes_cluster" "k8s_cluster" {
-  name                      = var.cluster_name
-  location                  = var.resource_group_location
-  resource_group_name       = var.resource_group_name
-  dns_prefix                = var.dns_prefix
-  private_cluster_enabled   = var.private_cluster_enabled
-  private_dns_zone_id       = var.private_dns_zone_id
-  kubernetes_version        = var.k8s_version
-  authorized_ip_ranges      = var.api_server_authorized_ip_ranges
-  automatic_channel_upgrade = var.automatic_channel_upgrade
+  name                            = var.cluster_name
+  location                        = var.resource_group_location
+  resource_group_name             = var.resource_group_name
+  dns_prefix                      = var.dns_prefix
+  private_cluster_enabled         = var.private_cluster_enabled
+  private_dns_zone_id             = var.private_dns_zone_id
+  kubernetes_version              = var.k8s_version
+  api_server_authorized_ip_ranges = var.api_server_authorized_ip_ranges
+  automatic_channel_upgrade       = var.automatic_channel_upgrade
 
   linux_profile {
     admin_username = var.admin_username