drm/nouveau/dispnv04: subdev/bios.h is included more than once

remove duplicate inclusion of subdev/bios.h

Issue identified by includecheck
Signed-off-by: Hariprasad Kelam <hariprasad.kelam@gmail.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drivers/gpu/drm/nouveau/dispnv04/disp.h

@@ -161,7 +161,6 @@ nv_match_device(struct drm_device *dev, unsigned device,
 		dev->pdev->subsystem_device == sub_device;
 }
 
-#include <subdev/bios.h>
 #include <subdev/bios/init.h>
 
 static inline void