uwb: remove unused #include <version.h>'s

Remove unused #include <version.h>'s in file(s) below,
  drivers/uwb/allocator.c

Signed-off-by: Huang Weiyi <weiyi.huang@gmail.com>
Signed-off-by: David Vrabel <david.vrabel@csr.com>
diff --git a/drivers/uwb/allocator.c b/drivers/uwb/allocator.c
index c8185e6..c13cec7 100644
--- a/drivers/uwb/allocator.c
+++ b/drivers/uwb/allocator.c
@@ -15,7 +15,6 @@
  * You should have received a copy of the GNU General Public License
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
-#include <linux/version.h>
 #include <linux/kernel.h>
 #include <linux/uwb.h>