Fix T51537: Light passes are summed twice for split kernel since denoise commit
Fix T51537: Light passes are summed twice for split kernel since denoise commit

Denoise commit introduced kernel_write_result() which saves light passes, so
no need to call both kernel_write_result() and kernel_write_light_passes() from
the split kernel.

Weirdly enough. kernel_write_result() does not take care about debug passes.

tangent-opensource/coreBlackbird,tangent-opensource/coreBlackbird,tangent-opensource/coreBlackbird