[media] stk1160: Remove unneeded struct vb2_queue clearing

struct vb2_queue is allocated through kzalloc as part of a larger struct,
there's no need to clear it.
Signed-off-by: Ezequiel Garcia <elezegarcia@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

drivers/media/usb/stk1160/stk1160-v4l.c

@@ -676,7 +676,6 @@ int stk1160_vb2_setup(struct stk1160 *dev)
 	struct vb2_queue *q;
 
 	q = &dev->vb_vidq;
-	memset(q, 0, sizeof(dev->vb_vidq));
 	q->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
 	q->io_modes = VB2_READ | VB2_MMAP | VB2_USERPTR;
 	q->drv_priv = dev;