[media] usbtv: remove unused including <linux/version.h>

Remove including <linux/version.h> that don't need it.
Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Acked-by: Lubomir Rintel <lkundrak@v3.sk>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>

drivers/media/usb/usbtv/usbtv.c

@@ -33,7 +33,6 @@
 #include <linux/module.h>
 #include <linux/slab.h>
 #include <linux/usb.h>
-#include <linux/version.h>
 #include <linux/videodev2.h>
 
 #include <media/v4l2-device.h>