wusb: remove unused #include <version.h>

The file(s) below do not use LINUX_VERSION_CODE nor KERNEL_VERSION.
  drivers/usb/host/hwa-hc.c
  drivers/usb/host/whci/hcd.c
  drivers/usb/host/whci/int.c
  drivers/usb/host/whci/wusb.c
  drivers/usb/wusbcore/cbaf.c

This patch removes the said #include <version.h>.
Signed-off-by: Huang Weiyi <weiyi.huang@gmail.com>
Signed-off-by: David Vrabel <david.vrabel@csr.com>

drivers/usb/host/hwa-hc.c

@@ -54,7 +54,6 @@
  *                      DWA).
  */
 #include <linux/kernel.h>
-#include <linux/version.h>
 #include <linux/init.h>
 #include <linux/module.h>
 #include <linux/workqueue.h>

drivers/usb/host/whci/hcd.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/init.h>
 #include <linux/uwb/umc.h>

drivers/usb/host/whci/int.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/init.h>
 #include <linux/uwb/umc.h>

drivers/usb/host/whci/wusb.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/init.h>
 #include <linux/uwb/umc.h>

drivers/usb/wusbcore/cbaf.c

@@ -88,7 +88,6 @@
  */
 #include <linux/module.h>
 #include <linux/ctype.h>
-#include <linux/version.h>
 #include <linux/usb.h>
 #include <linux/interrupt.h>
 #include <linux/delay.h>