Removes the vnet gateway since we're no longer going to use Azure VPN services

terraform/providers/dev/vpc.tf

@@ -4,12 +4,9 @@ module "vpc" {
   region            = var.region
   virtual_network   = var.virtual_network
   networks          = var.networks
-  gateway_subnet    = var.gateway_subnet
   route_tables      = var.route_tables
   owner             = var.owner
   name              = var.name
   dns_servers       = var.dns_servers
   service_endpoints = var.service_endpoints
-  vpn_client_cidr   = var.vpn_client_cidr
 }
-