chore(aws_govcloud): create a AWS Govcloud replica module of AWS

[vinay-newrelic]

Description

• Adds a AWS Govcloud specific module (similar to the AWS Module) authored by @vivek-tech-exp
• Reverts changes made in Added condition support for US GOV cloud #2800 (also authored by @vivek-tech-exp)

Fixes # (issue)

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• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• This change requires a documentation update

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• My commit message follows conventional commits
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• I have made corresponding changes to the documentation
• I have added tests that prove my fix is effective or that my feature works
• New and existing unit tests pass locally with my changes. Go here for instructions on running tests locally.

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