Remove provider block from module

[dwhswenson]

Since this is expected to be used as a module, we don't need to define the provider here. That should actually be done by the calling configuration.

This is a breaking change that will require updates in downstream configurations.

Assisted-by: Codex.app:GPT-5.6-Sol

[Copilot]

Pull request overview

Removes the AWS provider configuration from the root Terraform module so that provider configuration (including region) is defined by the calling/root configuration, which is the expected pattern for reusable modules.

Changes:

• Removed the provider "aws" block from versions.tf.
• Removed the now-unneeded aws_region input variable from variables.tf.
• Updated the basic example to stop passing aws_region into the module.

Reviewed changes

Copilot reviewed 3 out of 3 changed files in this pull request and generated no comments.

File	Description
versions.tf	Removes in-module AWS provider configuration so callers own provider setup.
variables.tf	Drops aws_region module input since region is no longer configured inside the module.
examples/basic/main.tf	Updates example module invocation to match the new module interface (no aws_region arg).

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