samples: bmi160: code clean up

Remove CONFIG_BMI160_TRIGGER_SOURCE_GPIO from prj config
file. It is not being used any more.

Also change CONFIG_STDOUT_CONSOLE to CONFIG_PRINTK. The
whole sample is using printk instead of printf.

Change-Id: I4ac7db37da1e45aed2457ace9e82385e37143c36
Signed-off-by: Baohong Liu <baohong.liu@intel.com>
1 file changed