feat(CF): use datadog supplied CF stack template

Author: Artem Kajalainen

logs_monitoring.tf

@@ -1,7 +1,3 @@
-data local_file "dd_forwarder_cf_template" {
-  filename = "${path.module}/logs_monitoring_template.yaml"
-}
-
 resource aws_cloudformation_stack "datadog-forwarder" {
   name         = "${local.stack_prefix}datadog-forwarder"
   capabilities = ["CAPABILITY_IAM", "CAPABILITY_NAMED_IAM", "CAPABILITY_AUTO_EXPAND"]
@@ -11,9 +7,7 @@ resource aws_cloudformation_stack "datadog-forwarder" {
     ExcludeAtMatch = var.log_exclude_at_match
     FunctionName   = "${local.stack_prefix}datadog-forwarder"
   }
-  #template_url = "https://datadog-cloudformation-template.s3.amazonaws.com/aws/forwarder/3.6.0.yaml"
-  template_body = data.local_file.dd_forwarder_cf_template.content
-
+  template_url = "https://datadog-cloudformation-template.s3.amazonaws.com/aws/forwarder/${var.dd_forwarer_template_version}.yaml"
 }
 
 resource aws_secretsmanager_secret "datadog_api_key" {