How to remove players data in UEFN?

There was an option to remove players data in creative 1.0. But how to reset save point device in UEFN?
Delete device and set up again - doesn’t work

You dont have that option unfortunately. I believe rolling back your island version should clear it, although
I’m not 100% sure because when I tried to experiment with roll backs I had some issues with moderation, but the text when roll backing implies that everything gets reset