drm/msm/dp: drop unused fields from dp_power_private

Drop unused and obsolete fields from struct dp_power_private.
Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Tested-by: Kuogee Hsieh <quic_khsieh@quicinc.com>
Reviewed-by: Kuogee Hsieh <quic_khsieh@quicinc.com>
Patchwork: https://patchwork.freedesktop.org/patch/576100/
Link: https://lore.kernel.org/r/20240126-dp-power-parser-cleanup-v3-2-098d5f581dd3@linaro.org

drivers/gpu/drm/msm/dp/dp_power.c

@@ -16,9 +16,6 @@ struct dp_power_private {
 	struct dp_parser *parser;
 	struct device *dev;
 	struct drm_device *drm_dev;
-	struct clk *link_clk_src;
-	struct clk *pixel_provider;
-	struct clk *link_provider;
 
 	struct dp_power dp_power;
 };