fix(aws-backup): remove aws_account_id variable

modules/integration_aws-backup/README.md

@@ -23,9 +23,8 @@ existing [stack](https://github.com/claranet/terraform-signalfx-detectors/wiki/G
 module "signalfx-detectors-integration-aws-backup" {
   source = "github.com/claranet/terraform-signalfx-detectors.git//modules/integration_aws-backup?ref={revision}"
 
-  environment    = var.environment
-  notifications  = local.notifications
-  aws_account_id = "fillme"
+  environment   = var.environment
+  notifications = local.notifications
 }
 ```
 
@@ -58,7 +57,7 @@ Note the following parameters:
 
 These 3 parameters along with all variables defined in [common-variables.tf](common-variables.tf) are common to all
 [modules](../) in this repository. Other variables, specific to this module, are available in
-[variables.tf](variables.tf) and [variables-gen.tf](variables-gen.tf).
+[variables-gen.tf](variables-gen.tf).
 In general, the default configuration "works" but all of these Terraform
 [variables](https://www.terraform.io/language/values/variables) make it possible to
 customize the detectors behavior to better fit your needs.

modules/integration_aws-backup/common-filters.tf

@@ -7,5 +7,5 @@
 # and alerts, since CloudWatch returns aggregated metric, and per vault and
 # resource type.
 locals {
-  filters = format("filter('namespace', 'AWS/Backup') and filter('stat', 'sum') and filter('BackupVaultName', '*', match_missing=False) and filter('ResourceType', '*', match_missing=False) and filter('aws_account_id', '%s')", var.aws_account_id)
+  filters = "filter('namespace', 'AWS/Backup') and filter('stat', 'sum') and filter('BackupVaultName', '*', match_missing=False) and filter('ResourceType', '*', match_missing=False)"
 }