staging:iio:imu:adis16400 remove now unused headers.

These should really have gone away with the code that needed them.

Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk>
Acked-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2 files changed