Following down that rabbit hole to the original source of the rumor, it sounds very dubious. They say they "intercepted" an internal email but don't actually share it or provide any kind of details.
And then the second half of the article dives straight into fantasy with the notion that the prequels could be deemed Legends and scrapped. As much as I personally would love that, there's not a snowballs chance in hades of it ever happening.