drm/msm/dpu: drop LM_3 / LM_4 on MSM8998

On the MSM8998 platform ther are no LM_3 and LM_4 blocks. Drop them from
the MSM8998 catalog.

Fixes: 94391a14 ("drm/msm/dpu1: Add MSM8998 to hw catalog")
Reported-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
Patchwork: https://patchwork.freedesktop.org/patch/612585/
Link: https://lore.kernel.org/r/20240905-dpu-fix-sdm845-catalog-v1-3-3363d03998bd@linaro.org