media: vsp1: Remove unused vsp1_subdev_internal_ops declaration

vsp1_subdev_internal_ops has been removed since commit 0efdf0f
("[media] v4l: vsp1: Implement and use the subdev pad::init_cfg
configuration"), so remove it.

Signed-off-by: Gaosheng Cui <cuigaosheng1@huawei.com>
Reviewed-by: Kieran Bingham <kieran.bingham+renesas@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>

drivers/media/platform/renesas/vsp1/vsp1_entity.h

@@ -130,8 +130,6 @@ int vsp1_entity_init(struct vsp1_device *vsp1, struct vsp1_entity *entity,
 		     const struct v4l2_subdev_ops *ops, u32 function);
 void vsp1_entity_destroy(struct vsp1_entity *entity);
 
-extern const struct v4l2_subdev_internal_ops vsp1_subdev_internal_ops;
-
 int vsp1_entity_link_setup(struct media_entity *entity,
 			   const struct media_pad *local,
 			   const struct media_pad *remote, u32 flags);