Bluetooth: btwilink: remove DEBUG define

Remove the DEBUG define as the debug code; so can remove mass debug info
from log buffer when using dmesg.

Signed-off-by: Leo Yan <leo.yan@linaro.org>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
diff --git a/drivers/bluetooth/btwilink.c b/drivers/bluetooth/btwilink.c
index 55c135b..7a722df 100644
--- a/drivers/bluetooth/btwilink.c
+++ b/drivers/bluetooth/btwilink.c
@@ -22,7 +22,7 @@
  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  *
  */
-#define DEBUG
+
 #include <linux/platform_device.h>
 #include <net/bluetooth/bluetooth.h>
 #include <net/bluetooth/hci_core.h>