drm/msm/dpu: drop virt_formats from SSPP subblock configuration
The virt_formats / virt_num_formats are not used by the current driver and are not going to be used in future since formats for virtual planes are handled in a different way, by forbidding unsupported combinations during atomic_check. Drop those fields now. Reviewed-by:Abhinav Kumar <quic_abhinavk@quicinc.com> Signed-off-by:
Dmitry Baryshkov <dmitry.baryshkov@linaro.org> Patchwork: https://patchwork.freedesktop.org/patch/621479/ Link: https://lore.kernel.org/r/20241025-dpu-virtual-wide-v6-3-0310fd519765@linaro.org