Revert "ov8830: adjust manual white balance gains"

Revert "ov8830: adjust manual white balance gains"

BZ: 27474

This reverts commit fedcb9ef420c8a975fd3932d6280423bbc4f1ee6.

With tuning data, ISP is performing automatic white balance (AWB)
and sensor AWB should be disabled.

Change-Id: Ia27e7711f7ba2b106cfff5ba913a673335e3151f
Signed-off-by: Tuukka Toivonen <tuukka.toivonen@intel.com>
Reviewed-on: http://android.intel.com:8080/39801
Reviewed-by: Cohen, David A <david.a.cohen@intel.com>
Reviewed-by: Koski, Anttu <anttu.koski@intel.com>
Tested-by: Koski, Anttu <anttu.koski@intel.com>
Reviewed-by: buildbot <buildbot@intel.com>
Tested-by: buildbot <buildbot@intel.com>