drm/nouveau/disp: remove some remnant of a rework

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Reviewed-by: Lyude Paul <lyude@redhat.com>
Signed-off-by: Karol Herbst <kherbst@redhat.com>
Link: https://gitlab.freedesktop.org/drm/nouveau/-/merge_requests/17

drivers/gpu/drm/nouveau/nvkm/engine/disp/dp.h

@@ -9,10 +9,7 @@
 #include <subdev/bios/dp.h>
 
 struct nvkm_dp {
-	union {
-		struct nvkm_outp base;
-		struct nvkm_outp outp;
-	};
+	struct nvkm_outp outp;
 
 	struct nvbios_dpout info;
 	u8 version;