drm/nouveau: remove unused fbdev_info

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drivers/gpu/drm/nouveau/nouveau_drv.h

@@ -517,8 +517,6 @@ struct drm_nouveau_private {
 		atomic_t validate_sequence;
 	} ttm;
 
-	struct fb_info *fbdev_info;
-
 	int fifo_alloc_count;
 	struct nouveau_channel *fifos[NOUVEAU_MAX_CHANNEL_NR];