Remove `network` and `subnetwork` variables.

main.tf

@@ -30,13 +30,6 @@ resource "google_container_cluster" "cluster" {
   name               = var.name
   min_master_version = data.google_container_engine_versions.region_versions.latest_master_version
 
-  # Terraform gets confused about this setting. The self_link and network data object include the googleapis URL but
-  # they are not present once they have been configured in gke. We remove the prefix to avoid detecting this as
-  # a modification every single time.
-  network = replace(var.network, "https://www.googleapis.com/compute/v1/", "")
-
-  subnetwork = replace(var.subnetwork, "https://www.googleapis.com/compute/v1/", "")
-
   ip_allocation_policy {
     cluster_secondary_range_name  = var.cluster_secondary_range_name
     services_secondary_range_name = var.services_secondary_range_name

variables.tf

@@ -21,16 +21,6 @@ variable "name" {
   description = "Name of the cluster"
 }
 
-variable "network" {
-  default     = ""
-  description = "Network to use for the VMs forming the cluster"
-}
-
-variable "subnetwork" {
-  default     = ""
-  description = "Subnetwork to use for the VMs forming the cluster"
-}
-
 variable "cluster_secondary_range_name" {
   default = null