Remove Burn Mode code (#46950)

This PR removes the code for Burn Mode, as we won't need it anymore
after the 17th.

Closes CLO-79.

Release Notes:

- N/A
a92df1eee4Marshall Bowers committed on 1/15/2026, 9:28:33 PM· committed by GitHubparent5c622e3
40 files changedLine totals unavailable