Remove deprecated provider configuration attributes

[ewbankkit]

Description

Removes provider configuration attributes deprecated in V4.X.

Relations

Closes #31160.
Relates #28084.
Relates #23080.
Relates #23055.
Relates #23077.

Output from Acceptance Testing

% make testacc TESTARGS='-run=TestAccSNSTopic_basic$$' PKG=sns
==> Checking that code complies with gofmt requirements...
TF_ACC=1 go test ./internal/service/sns/... -v -count 1 -parallel 20  -run=TestAccSNSTopic_basic$ -timeout 180m
=== RUN   TestAccSNSTopic_basic
=== PAUSE TestAccSNSTopic_basic
=== CONT  TestAccSNSTopic_basic
--- PASS: TestAccSNSTopic_basic (17.71s)
PASS
ok  	github.com/hashicorp/terraform-provider-aws/internal/service/sns	23.429s

[github-actions]

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[gdavison]

One parameter to remove from documentation

[github-actions]

This functionality has been released in v5.0.0 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.
If you have found a problem that seems related to this change, please open a new issue and complete the issue template so we can capture all the details necessary to investigate further.