Staging: comedi: addi-data: comment cleanup in hwdrv_apci035.c

This patch further cleans up the comments in hwdrv_apci035.c, converting
them to kernel style and removing some commented conditional statements
that are unused.

Signed-off-by: Chase Southwood <chase.southwood@yahoo.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>