staging: bcm2835-camera: Drop unused ignore_errors flag

The struct bm2835_mmal_v4l2_ctrl contains an ignore_errors flag which
was always set to false. So drop the unused flag.

Signed-off-by: Stefan Wahren <stefan.wahren@i2se.com>
Reviewed-by: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
Link: https://lore.kernel.org/r/1584049059-6772-2-git-send-email-stefan.wahren@i2se.com


Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>