Revert "DEV: Support for running theme test with Ember CLI (second attempt) (PR #15559)

This reverts commit 2c7906999a6f651ec25f15dd7a6dd11c5e892d68.

The changes break some things in local development (putting JS files into minified files, not allowing debugger, and others)


This pull request fixes 1 alert when merging 49f1a60a2783cb594b386fdbe81a2abd060c9628 into 2278c7f82dd8e7f24dc6dc66bc6fea02e598c6d0 - view on

fixed alerts:

  • 1 for Call to eval-like DOM function