Change suppress function for computed field

Author: printchard

mmv1/third_party/terraform/services/container/resource_container_cluster.go.tmpl

@@ -152,15 +152,6 @@ var (
 		}
 		return false
 	})
-
-	suppressDiffForNetworkTierConfig = schema.SchemaDiffSuppressFunc(func(k, oldValue, newValue string, d *schema.ResourceData) bool {
-		if k == "ip_allocation_policy.0.network_tier_config.#" && oldValue == "1" && newValue == "0" {
-			if v, _ := d.Get("ip_allocation_policy.0.network_tier_config.0.network_tier").(string); v == "NETWORK_TIER_DEFAULT" || v == "" {
-				return true
-			}
-		}
-		return false
-	})
 )
 
 // Defines default nodel pool settings for the entire cluster. These settings are
@@ -1871,7 +1862,7 @@ func ResourceContainerCluster() *schema.Resource {
 							Type: schema.TypeList,
 							MaxItems: 1,
 							Optional: true,
-							DiffSuppressFunc: suppressDiffForNetworkTierConfig,
+							Computed: true,
 							Description: `Used to determine the default network tier for external IP addresses on cluster resources, such as node pools and load balancers.`,
 							Elem: &schema.Resource{
 								Schema: map[string]*schema.Schema{