sidebar.team.<color> display not working correctly

Put the summary of the bug you're having here

So I put Health as the sidebar.team.dark_blue. I tried to disable that display, but it kept showing. When I changed the objective to stat.mobKills, it disappeared entirely.

Steps to Reproduce:
1. set health as objective in sidebar.team.<color>
2. attempt to change or remove it. Changing it will remove it and removing it will do literally nothing
3. ...