I’m the only person managing the library. Is there any way to hide that info? Really don’t need that for literally every track in my library.
Where are you seeing this? I took a quick look and some of my albums and tracks and don’t see “Added By”. 
It’s shown in the queue screen.
Short answer: No, you can’t remove this.
Ah, I see it now. I guess I never paid much attention to it before.
Yeah, it does seem a bit unnecessary if there is only one profile/user. I don’t believe this can be changed by the user.
Yes, it’s redundant. I’ll make a feature request.