r/aws_dx_gateway: Remove name argument validation

[ewbankkit]

Description

Removes the name argument plan-time validation.
The guidance in the AWS Console

is incorrect.

Relations

Closes #30732.
Relates #30375.

Output from Acceptance Testing

% make testacc TESTARGS='-run=TestAccDirectConnectGateway_basic' PKG=directconnect
==> Checking that code complies with gofmt requirements...
TF_ACC=1 go test ./internal/service/directconnect/... -v -count 1 -parallel 20  -run=TestAccDirectConnectGateway_basic -timeout 180m
=== RUN   TestAccDirectConnectGateway_basic
=== PAUSE TestAccDirectConnectGateway_basic
=== CONT  TestAccDirectConnectGateway_basic
--- PASS: TestAccDirectConnectGateway_basic (31.97s)
PASS
ok  	github.com/hashicorp/terraform-provider-aws/internal/service/directconnect	42.123s

[github-actions]

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[johnsonaj]

LGTM 🚀

$ make testacc TESTARGS='-run=TestAccDirectConnectGateway_basic' PKG=directconnect

==> Checking that code complies with gofmt requirements...
TF_ACC=1 go test ./internal/service/directconnect/... -v -count 1 -parallel 20  -run=TestAccDirectConnectGateway_basic -timeout 180m
=== RUN   TestAccDirectConnectGateway_basic
=== PAUSE TestAccDirectConnectGateway_basic
=== CONT  TestAccDirectConnectGateway_basic
--- PASS: TestAccDirectConnectGateway_basic (38.73s)
PASS
ok  	github.com/hashicorp/terraform-provider-aws/internal/service/directconnect	41.934s

[github-actions]

This functionality has been released in v4.64.0 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]

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