staging:iio:accel: drop assignment of iio_info.driver_module

The equivalent this is now done via macro magic when
the relevant register call is made. The actual structure
elements will shortly go away.

Signed-off-by: Jonathan Cameron <[e-mail]>
Reviewed-by: Lars-Peter Clausen <[e-mail]>

drivers/staging/iio/accel/adis16201.c

···
 	.read_raw = adis16201_read_raw,
 	.write_raw = adis16201_write_raw,
 	.update_scan_mode = adis_update_scan_mode,
-	.driver_module = THIS_MODULE,
 };
 
 static const char * const adis16201_status_error_msgs[] = {

drivers/staging/iio/accel/adis16203.c

···
 	.read_raw = adis16203_read_raw,
 	.write_raw = adis16203_write_raw,
 	.update_scan_mode = adis_update_scan_mode,
-	.driver_module = THIS_MODULE,
 };
 
 static const char * const adis16203_status_error_msgs[] = {

drivers/staging/iio/accel/adis16209.c

···
 	.read_raw = adis16209_read_raw,
 	.write_raw = adis16209_write_raw,
 	.update_scan_mode = adis_update_scan_mode,
-	.driver_module = THIS_MODULE,
 };
 
 static const char * const adis16209_status_error_msgs[] = {

drivers/staging/iio/accel/adis16240.c

···
 	.read_raw = adis16240_read_raw,
 	.write_raw = adis16240_write_raw,
 	.update_scan_mode = adis_update_scan_mode,
-	.driver_module = THIS_MODULE,
 };
 
 static const char * const adis16240_status_error_msgs[] = {