How to remove the spellcaster trait from townies?

First, there is a mod that will stop current sims from being created as spell casters.
https://www.patreon.com/posts/quick-mod-for-my-29866791

This link has the cheat on how to remove the spell caster trait.
https://sims-online.com/sims-4-realm-of-magic-cheats-spellcaster-witch/