Remove CAR testing code currently blocked out by #if. Newer CAR code
don't even do it anymore.
Change-Id: I2d53b4e7a244824c7aa2c0f597ed91e17f6cc668
Signed-off-by: Keith Hui <buurin@gmail.com>
Reviewed-on: https://review.coreboot.org/21502
Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>