fix tofu error introduced by merge

Author: sjpb

environments/skeleton/{{cookiecutter.environment}}/tofu/compute.tf

@@ -14,7 +14,6 @@ module "compute" {
   environment_root = var.environment_root
 
   # can be set for group, defaults to top-level value:
-  networks = lookup(each.value, "networks", var.cluster_networks)
   image_id = lookup(each.value, "image_id", var.cluster_image_id)
   vnic_types = lookup(each.value, "vnic_types", var.vnic_types)
   vnic_profiles = lookup(each.value, "vnic_profiles", var.vnic_profiles)