Giggs does have to go for now, his initial purpose under Moyes failed, his repurposed role under LVG hasn't materialised. Him being around just looks bad, as everyone knows he's being groomed for the job. His presence is just destabilising, and it tbh its not helpful for him. I don't think he's any closer to being appointed now than when he started, and he won't be until he has success somewhere else.