Blaster configmap toggle is useless, so we remove it.

[wcarlsen]

Describe your changes

After looking at this draft PR @andreasfrisch and I found an opportunity for refactoring, to simplify and eventual removal of eks-heptio module.

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?

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