Re-applying terraform results in an error for the Karpenter pattern

[vchintal]

This line is causing an issue when you try to re-apply terraform

aws_eks_access_entry.karpenter_node_access_entry: Modifying... [id=<Karpnter-iam-role-arn>]
╷
│ Error: updating EKS Access Entry (<Karpnter-iam-role-arn>): operation error EKS: UpdateAccessEntry, https response error StatusCode: 400, RequestID: e55f3b9f-b1e0-4c30-bfc8-a1a86b8f024e, InvalidParameterException: The username must not begin with system:
│ 
│   with aws_eks_access_entry.karpenter_node_access_entry,
│   on addons.tf line 230, in resource "aws_eks_access_entry" "karpenter_node_access_entry":
│  230: resource "aws_eks_access_entry" "karpenter_node_access_entry" {

Fix is to remove the line

kubernetes_groups = [] from this resource

Originally posted by @vara-bonthu in #1920 (comment)