[media] stradis: remove unused V4L1 headers

Commit 39c3d488452ae206cfc8afda0db041ee55d01c3c ("[media] cpia, stradis:
remove deprecated V4L1 drivers") removed the last file including these
five headers. Apparently it was just an oversight to keep them in the
tree. They can safely be removed now.

Signed-off-by: Paul Bolle <pebolle@tiscali.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

diff --cc drivers/media/video/cs8420.h
Simple merge

diff --cc drivers/media/video/ibmmpeg2.h
Simple merge

diff --cc drivers/media/video/saa7121.h
Simple merge

diff --cc drivers/media/video/saa7146.h
Simple merge

diff --cc drivers/media/video/saa7146reg.h
Simple merge