I already posted what he said above. Here you go: Files inside the /private/var/db/ folder are managed and protected by macOS - you shouldn't worry about this, as they cannot cause any harm in that location. If you really need to remove such files, you need to boot into a separate macOS system, from which you can then delete such files.
For the heck of it, I'd be inclined to email the dev and ask "What," "Why," and "How do I get rid of it?" [/quote]
