Fix is to be loaded after PNS, with PNS unaltered loaded before it. You can't really remove PNS anymore without potentially bricking your save, so the best we can do is disable it and turn the virus into a vaccine as it were.   As for what it removes: The spell (ability) added to all npcs. This is what would most likely brick your save if PNS was removed. The skin override added to all npcs. I am not familiar with skin overrides, but considering the function takes a key
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