The NLP installer documents what it does, here are a few lines:
- Installing custom camera profiles to /Users/—/Library/Application Support/Adobe/CameraRaw/CameraProfiles/NegativeLab Camera Profiles …
- Installing custom camera profiles to /Users/—/Library/Application Support/Adobe/CameraRaw/CameraProfiles/Vuescan Profiles …
- Setting up negative lab shortcut key [ctrl + n]…
- Adding Negative Lab Plugin to following directory: /Users/—/Plugins
- Changing folder preference for Lightroom Classic CC…
Backtrack the above steps to remove NLP, replacing — with the name of your user account