V4L/DVB (11548): gspca - m5602-s5k83a: No need to initialize some registers in init

s5k83a: All v4l2 ctrls are initialized later, no need to set those registers during init.

Signed-off-by: Erik Andr?n <erik.andren@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>