Remove invalid action from policy (#239)

CHANGELOG.md

@@ -11,7 +11,7 @@ project adheres to [Semantic Versioning](http://semver.org/).
  - Write your awesome addition here (by @you)
 
 ### Changed
- - Write your awesome change here (by @you)
+ - Removed invalid action from worker_autoscaling iam policy
 
 ## [[v2.0.0](https://github.com/terraform-aws-modules/terraform-aws-eks/compare/v1.8.0...v2.0.0)] - 2018-12-14]
 

workers.tf

@@ -162,7 +162,6 @@ data "aws_iam_policy_document" "worker_autoscaling" {
       "autoscaling:DescribeAutoScalingInstances",
       "autoscaling:DescribeLaunchConfigurations",
       "autoscaling:DescribeTags",
-      "autoscaling:GetAsgForInstance",
     ]
 
     resources = ["*"]