media: atomisp: get rid of set pipe version custom ctrl

It doesn't make sense to have a control for that. Besides that,
the Intel Aero implementation doesn't have, which means that
even the custom control is not used in practice, at least
outside Android.

So, get rid of it.

Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>