Tech debt: Remove AWS SDK for Go v1 support from skaff

[ewbankkit]

Description

Removes AWS SDK for Go v1 from the skaff.

Relations

Relates #32976.
Relates #39913.

[github-actions]

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[jar-b]

LGTM 🚀

[github-actions]

This functionality has been released in v5.74.0 of the Terraform AWS Provider. Please see the Terraform documentation on provider versioning or reach out if you need any assistance upgrading.

For further feature requests or bug reports with this functionality, please create a new GitHub issue following the template. Thank you!

[github-actions]

I'm going to lock this pull request because it has been closed for 30 days ⏳. This helps our maintainers find and focus on the active issues.
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