Remove use of settings in chassis_control.py

This application is slowly being deprecated. This change
is to allow us to pull the legacy settings object out
of the image.

Tested: I built an image with these changes plus the removal of
settings and verified our CT regression bucket still passed.

Change-Id: Ia9416b2faba9a0e3b10f433a0e597530f75177e5
Signed-off-by: Andrew Geissler <geissonator@yahoo.com>
1 file changed