[media] pwc: clean-up header files

Remove unused pwc-ioctl.h (the copy in include/media is used everywhere)
Remove almost empty pwc-uncompress.h, move single define to pwc.h

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
7 files changed