remove unused resources

[andreasfrisch]

Describe your changes

Issue ticket number and link

Checklist before requesting a review

• I have run tflint at my code changes for static validation.
• I have run tofu fmt at my code changes for formatting.
• I have tested changes in my sandbox
• I have added the needed changes in the test/integration folder to apply my changes in QA. Read the guide on adding environment variables in QA
• I have rebased the code to master (or merged in the latest from master)

Is it a new release?

• Apply a release tag release:(major|minor|patch), following semantic versioning in this guide or norelease if there is no changes to the Terraform code

[wcarlsen]

This is funny and very important, because this module need to die. I created a branch trying to remove the "false diff's" in plans here master...enhance/eks/heptio-constant-plan-diff