Adding exchange module for AWS Terraform

AWS/Terraform/variables.tf

@@ -88,18 +88,6 @@ data "aws_ami" "wef_ami" {
   }
 }
 
-# Uncomment after this AMI has been created and uploaded to AWS
-# # Use Data Sources to resolve the AMI-ID for the pre-built EXCHANGE host
-# data "aws_ami" "exchange_ami" {
-#   owners      = ["505638924199"]
-#   most_recent = true
-
-#   filter {
-#     name   = "name"
-#     values = ["detectionlab-exchange"]
-#   }
-# }
-
 # Use Data Sources to resolve the AMI-ID for the pre-built Win10 host
 data "aws_ami" "win10_ami" {
   owners      = ["505638924199"]
@@ -136,11 +124,4 @@ variable "exchange_ami" {
 variable "win10_ami" {
   type    = string
   default = ""
-}
-
-# Set to "true" in terraform.tfvars if you want to add the Exchange server
-variable "create_exchange_server" {
-  description = "If set to true, adds an additional host that installs exchange"
-  type        = bool
-  default     = false
-}
+}