MAINTAINERS: drm: Drop sam as panel reviewer

Drop myself as reviewer of panel patches, to reflect the reality.
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Cc: Neil Armstrong <neil.armstrong@linaro.org>
Acked-by: Neil Armstrong <neil.armstrong@linaro.org>
Link: https://lore.kernel.org/r/20240530211402.GA1660596@ravnborg.orgSigned-off-by: Neil Armstrong <neil.armstrong@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20240530211402.GA1660596@ravnborg.org

MAINTAINERS

@@ -7567,7 +7567,6 @@ F:	include/drm/gpu_scheduler.h
 DRM PANEL DRIVERS
 M:	Neil Armstrong <neil.armstrong@linaro.org>
 R:	Jessica Zhang <quic_jesszhan@quicinc.com>
-R:	Sam Ravnborg <sam@ravnborg.org>
 L:	dri-devel@lists.freedesktop.org
 S:	Maintained
 T:	git https://gitlab.freedesktop.org/drm/misc/kernel.git