drm/atmel: Drop transitional hooks

These do absolutely nothing for atomic drivers.
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Cc: Boris Brezillon <boris.brezillon@bootlin.com>
Cc: Nicolas Ferre <nicolas.ferre@microchip.com>
Cc: Alexandre Belloni <alexandre.belloni@bootlin.com>
Cc: linux-arm-kernel@lists.infradead.org
Link: https://patchwork.freedesktop.org/patch/msgid/20181004202446.22905-10-daniel.vetter@ffwll.ch

drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_crtc.c

@@ -364,9 +364,7 @@ static void atmel_hlcdc_crtc_atomic_flush(struct drm_crtc *crtc,
 
 static const struct drm_crtc_helper_funcs lcdc_crtc_helper_funcs = {
 	.mode_valid = atmel_hlcdc_crtc_mode_valid,
-	.mode_set = drm_helper_crtc_mode_set,
 	.mode_set_nofb = atmel_hlcdc_crtc_mode_set_nofb,
-	.mode_set_base = drm_helper_crtc_mode_set_base,
 	.atomic_check = atmel_hlcdc_crtc_atomic_check,
 	.atomic_begin = atmel_hlcdc_crtc_atomic_begin,
 	.atomic_flush = atmel_hlcdc_crtc_atomic_flush,