drm/msm: remove unused hotplug and edid macros from msm_drv.h

Remove unused MSM_DISPLAY_CAP_HOT_PLUG and MSM_DISPLAY_CAP_EDID
macros from msm_drv.h.

Even if we need these, there are drm equivalent ones present.

Reported-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Patchwork: https://patchwork.freedesktop.org/patch/482260/
Link: https://lore.kernel.org/r/1650049782-8421-1-git-send-email-quic_abhinavk@quicinc.com


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