drm/msm: Remove CRTC .mode_set and .mode_set_base helpers

Only the legacy helpers use these entry points.  Don't populate them
with transitional helpers, since that just makes things more confusing.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
[robclark: reword commit msg]
Signed-off-by: Rob Clark <robdclark@gmail.com>

drivers/gpu/drm/msm/mdp/mdp4/mdp4_crtc.c

@@ -507,8 +507,6 @@ static const struct drm_crtc_helper_funcs mdp4_crtc_helper_funcs = {
 	.dpms = mdp4_crtc_dpms,
 	.mode_fixup = mdp4_crtc_mode_fixup,
 	.mode_set_nofb = mdp4_crtc_mode_set_nofb,
-	.mode_set = drm_helper_crtc_mode_set,
-	.mode_set_base = drm_helper_crtc_mode_set_base,
 	.prepare = mdp4_crtc_prepare,
 	.commit = mdp4_crtc_commit,
 	.atomic_check = mdp4_crtc_atomic_check,

drivers/gpu/drm/msm/mdp/mdp5/mdp5_crtc.c

@@ -394,8 +394,6 @@ static const struct drm_crtc_helper_funcs mdp5_crtc_helper_funcs = {
 	.dpms = mdp5_crtc_dpms,
 	.mode_fixup = mdp5_crtc_mode_fixup,
 	.mode_set_nofb = mdp5_crtc_mode_set_nofb,
-	.mode_set = drm_helper_crtc_mode_set,
-	.mode_set_base = drm_helper_crtc_mode_set_base,
 	.prepare = mdp5_crtc_prepare,
 	.commit = mdp5_crtc_commit,
 	.atomic_check = mdp5_crtc_atomic_check,