Revert "Merge branch 'fire-from-mag-glass' of https://github.com/jcd000/...

...Cataclysm-DDA into merge"

This reverts commit 654c3ba89f599a368df00372a3954fa759af5f75, reversing
changes made to 58cc1025ea767681a52ad688d41c8b28f25d3eeb.

Undo inattentive merge by KA101.