So unfortunately we are unable to remove the background noises of the lightsabers. And because of that those lines would have to be created by someone who can do a good Anakin impression. But as you said, you aren’t interested in disturbing Hayden’s performance. So our only option would be to find a better way to isolate his lines in those places.
However, as a proof of concept, here are his first two lines de-aged:
https://drive.google.com/file/d/1arnygZfBjcmIBnS9OKvi1Wm-ftnx-PWX/view?usp=sharing