V4L/DVB (5521): Usb_get_dev were called twice. Removing the extra call.

Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
diff --git a/drivers/media/video/usbvision/usbvision-video.c b/drivers/media/video/usbvision/usbvision-video.c
index df030bf..5fb89e4 100644
--- a/drivers/media/video/usbvision/usbvision-video.c
+++ b/drivers/media/video/usbvision/usbvision-video.c
@@ -1816,8 +1816,6 @@
 		return -ENODEV;
 	}
 
-	usb_get_dev(dev);
-
 	if ((usbvision = usbvision_alloc(dev)) == NULL) {
 		err("%s: couldn't allocate USBVision struct", __FUNCTION__);
 		return -ENOMEM;