remove hot code because it does not change anything

Signed-off-by: Sébastien Boisvert <boisvert@anl.gov>
the thorium engine deserves its own directory

Signed-off-by: Sébastien Boisvert <boisvert@anl.gov>
Merge branch 'energy' of github.com:sebhtml/biosal into energy

Resolved conflicts (backported changes to worker.c)...
	core/engine/worker_hot_code.c

Signed-off-by: Sébastien Boisvert <boisvert@anl.gov>