smsir.h: remove a now duplicated definition (IR_DEFAULT_TIMEOUT)

This macro is now part of the core. Remove from Siano driver.
Signed-off-by: NMauro Carvalho Chehab <mchehab@osg.samsung.com>

drivers/media/common/siano/smsir.h

@@ -30,8 +30,6 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #include <linux/input.h>
 #include <media/rc-core.h>
 
-#define IR_DEFAULT_TIMEOUT		100
-
 struct smscore_device_t;
 
 struct ir_t {