[media] gspca - benq: Remove the useless function sd_isoc_init

The sd_isoc_init() did only a set interface which is done in gspca main.

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