[media] drivers/media/usb/ttusb-budget/dvb-ttusb-budget.c: remove unnecessary null test before usb_free_urb
[media] drivers/media/usb/ttusb-budget/dvb-ttusb-budget.c: remove unnecessary null test before usb_free_urb

Fix checkpatch warning:
WARNING: usb_free_urb(NULL) is safe this check is probably not required

Signed-off-by: Fabian Frederick <3efd2a027b14fd890cd23a9ef6d1134b4e5ad850@skynet.be>
Signed-off-by: Mauro Carvalho Chehab <0cae1d1e981e84d16b82ca3d17be8a7f826608d3@samsung.com>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs