Merge pull request #112 from mdr-engineering/feature/ftd_na_FixMinorSyntax

Fixes minor tf11 to tf12 syntax issue in shared_ami_key

base/shared_ami_key/main.tf

@@ -8,7 +8,7 @@ locals {
       "arn:${var.aws_partition}:iam::${account}:role/user/mdr_terraformer"
   ]
 
-  all_keys = concat([ "${module.shared_ami_key.key_arn}" ], var.vmimport_extra_keys)
+  all_keys = concat([ module.shared_ami_key.key_arn ], var.vmimport_extra_keys)
 
   buckets = [
     for bucket in concat([ aws_s3_bucket.xdr-shared-amis.arn ], var.vmimport_extra_buckets):