drm/msm/dpu: drop BWC features from DPU_MDP_foo namespace

The feature bits DPU_MDP_BWC, DPU_MDP_UBWC_1_0, and DPU_MDP_UBWC_1_5 are
not used by the driver, drop them completely.

Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
Patchwork: https://patchwork.freedesktop.org/patch/550056/
Link: https://lore.kernel.org/r/20230728213320.97309-8-dmitry.baryshkov@linaro.org


Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>