drm/msm/dpu: Remove call to drm_mode_set_crtcinfo

Now that mode_fixup has been removed, we can just rely on the call
from drm_helper_probe_single_connector_modes(),
Reviewed-by: NRob Clark <robdclark@chromium.org>
Signed-off-by: NSean Paul <seanpaul@chromium.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20190617200405.131843-1-sean@poorly.run

drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c

@@ -622,9 +622,6 @@ static int dpu_encoder_virt_atomic_check(
 		}
 	}
 
-	if (!ret)
-		drm_mode_set_crtcinfo(adj_mode, 0);
-
 	trace_dpu_enc_atomic_check_flags(DRMID(drm_enc), adj_mode->flags,
 			adj_mode->private_flags);