Remove removed.tf

[justinretzolk]

Description

This PR completes the transition to a more centralized form of management between terraform-provider-aws and terraform-provider-awscc

TODO:

• Centralize common labels

Relations

Relates #37563
Relates https://github.com/hashicorp/tf-aws-provider-community/pull/9

Output from Acceptance Testing

N/a, Terraform config

[github-actions]

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