[media] hist-v4l2.rst: don't do refs to old structures

Several structs were renamed or removed during V4L2 development.
Don't try to cross-reference the legacy ones.

Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
This commit is contained in:
Mauro Carvalho Chehab 2016-09-08 06:30:27 -03:00
commit be831b34c2