I don't think making a plan that costs more and has less features is going to happen because it doesn't really make sense.
I was going to say that not showing the AI services in the app menu could be a feature requests, but actually seeing as all plans will soon include a base amount of ai usage, those would have to be there.
I think this issue can be merged with https://kagifeedback.org/d/4014-option-to-turn-off-all-ai-features if you agree with that.
About the apps menu: I think it might be possible to create custom css that removes those options from the menu. I'll try and look into that for you