chore(cloudfront-origins): remove the unused variable from the unit test

[badmintoncryer]

Issue # (if applicable)

None

Reason for this change

There is the unused otherStack variable in functio-url-origin.test.ts.

let otherStack: Stack;

beforeEach(() => {
  otherStack = new Stack():
});

Description of changes

Remove otherStack definition

Describe any new or updated permissions being added

None

Description of how you validated changes

Existing unit test

Checklist

• My code adheres to the CONTRIBUTING GUIDE and DESIGN GUIDELINES

---

By submitting this pull request, I confirm that my contribution is made under the terms of the Apache-2.0 license

[mergify]

Thank you for contributing! Your pull request will be updated from main and then merged automatically (do not update manually, and be sure to allow changes to be pushed to your fork).

[github-actions]

Comments on closed issues and PRs are hard for our team to see.
If you need help, please open a new issue that references this one.