Refactor conda_build_test_recipe tests

[kenodegard]

Checklist

• [X] I added a descriptive title
• [X] I searched open reports and couldn't find a duplicate

Summary

Let's fully archive the https://github.com/conda/conda_build_test_recipe repository and host the test data some other way within the conda-build repo.

Linked Issues & PRs

• [x] Archive conda_build_test_recipe
• [ ] Refactor tests using conda_build_test_recipe
• [ ] Move conda_build_test_recipe to conda-archive