[media] cx18/ddbridge: remove unused headers

The cx18 and ddbridge drivers include linux/dvb/audio.h and video.h
without using them.

Remove those includes.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2 files changed