HID: sensors: remove some unneeded checks

"report_id" is unsigned so it's never less than zero.  These checks can
be removed without any problem.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>