Terraform: Update logger to use AWS data source for AMI resolution

Terraform/outputs.tf

@@ -18,16 +18,8 @@ output "win10_public_ip" {
   value = "${aws_instance.win10.public_ip}"
 }
 
-output "latest_dc_ami_id" {
-  value = "${data.aws_ami.dc_ami.image_id}"
-}
-
-output "latest_wef_ami_id" {
-  value = "${data.aws_ami.wef_ami.image_id}"
-}
-
-output "latest_win10_ami_id" {
-  value = "${data.aws_ami.wef_ami.image_id}"
+output "ata_url" {
+  value = "${local.ata_url}"
 }
 
 output "fleet_url" {