ci: remove unused azure workflow file

[pfulton]

Description

This deletes an unused workflow file from the repo. This file was originally auto-generated by the Azure dashboard and isn't being used anywhere.

Motivation and context

Despite this not being "used" anywhere, it was still causing a workflow run and fails 100% of the time due to it not really being connected to anything we're using in Azure.

Related issue(s)

Screenshots (if appropriate)

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Author's checklist

• I have read the CONTRIBUTING and PULL_REQUESTS documents.
• [] I have reviewed at the Accessibility Practices for this feature, see: Aria Practices
• I have added automated tests to cover my changes.
• I have included a well-written changeset if my change needs to be published.
• I have included updated documentation if my change required it.

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Reviewer's checklist

• Includes a Github Issue with appropriate flag or Jira ticket number without a link
• Includes thoughtfully written changeset if changes suggested include patch, minor, or major features
• Automated tests cover all use cases and follow best practices for writing
• Validated on all supported browsers
• All VRTs are approved before the author can update Golden Hash

Manual review test cases

• Descriptive Test Statement

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• Descriptive Test Statement

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Device review

• Did it pass in Desktop?
• Did it pass in (emulated) Mobile?
• Did it pass in (emulated) iPad?

[changeset-bot]

⚠️ No Changeset found

Latest commit: 3a8ff09

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[github-actions]

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Deployed to Azure Blob Storage: pr-5598

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[github-actions]

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