fix: reverting the multiple repository feature, as it needs more thought

[gambol99]

Before we used the repository for the state key - changing to the name breaks things. Though i’d like to support multiple repositories, the current implementation is not fit for purpose - Holding my head in shame and reverting.

[github-actions]

Pull Request Review Status

• 🖌 Terraform Format and Style: success
• 🔍 Terraform Linting: success
• 👮 Terraform Security Check: success
• 👮 Terraform Security Checkov: success
• 🔘 Terraform Tests: success
• 🔧 Terraform Initialisation: success
• 🤖 Terraform Validation: success
• 🤖 Terraform Example Validation: success
• 📖 Terraform Documentation: success
• 🔖 Commitlint: success

Working Directory: modules/remote_state
Pusher: @gambol99, Action: pull_request
Workflow Run Link: https://github.com/appvia/terraform-aws-oidc/actions/runs/19361295426

[github-actions]

Pull Request Review Status

• 🖌 Terraform Format and Style: success
• 🔍 Terraform Linting: success
• 👮 Terraform Security Check: success
• 👮 Terraform Security Checkov: success
• 🔘 Terraform Tests: success
• 🔧 Terraform Initialisation: success
• 🤖 Terraform Validation: success
• 🤖 Terraform Example Validation: success
• 📖 Terraform Documentation: success
• 🔖 Commitlint: success

Working Directory: modules/provider
Pusher: @gambol99, Action: pull_request
Workflow Run Link: https://github.com/appvia/terraform-aws-oidc/actions/runs/19361295426

[github-actions]

Pull Request Review Status

• 🖌 Terraform Format and Style: success
• 🔍 Terraform Linting: success
• 👮 Terraform Security Check: success
• 👮 Terraform Security Checkov: success
• 🔘 Terraform Tests: success
• 🔧 Terraform Initialisation: success
• 🤖 Terraform Validation: success
• 🤖 Terraform Example Validation: success
• 📖 Terraform Documentation: success
• 🔖 Commitlint: success

Working Directory: modules/role
Pusher: @gambol99, Action: pull_request
Workflow Run Link: https://github.com/appvia/terraform-aws-oidc/actions/runs/19361295426

[teodorz]

LGTM