drm/ingenic: Remove dead code

The priv->ipu_plane would get a different value further down the code,
without the first assigned value being read first; so the first
assignation can be dropped.
Signed-off-by: Paul Cercueil <paul@crapouillou.net>
Acked-by: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://patchwork.freedesktop.org/patch/msgid/20210808134526.119198-2-paul@crapouillou.net

drivers/gpu/drm/ingenic/ingenic-drm-drv.c

@@ -984,9 +984,6 @@ static int ingenic_drm_bind(struct device *dev, bool has_components)
 	priv->dma_hwdescs->hwdesc_pal.cmd = JZ_LCD_CMD_ENABLE_PAL
 		| (sizeof(priv->dma_hwdescs->palette) / 4);
 
-	if (soc_info->has_osd)
-		priv->ipu_plane = drm_plane_from_index(drm, 0);
-
 	primary = priv->soc_info->has_osd ? &priv->f1 : &priv->f0;
 
 	drm_plane_helper_add(primary, &ingenic_drm_plane_helper_funcs);