[media] gspca: Remove the useless variable 'nbalt'

As the alternate settings are now sorted in gspca main,
the variable 'nbalt' is no more useful.

Signed-off-by: Jean-François Moine <moinejf@free.fr>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
10 files changed