Yeah. I use StigUI to remove everything but chat. Mainly because I have little to no interest in what xp or gold, I get, nor what multiplier I have.
And health bar does not add anything of value to me, since I always play as if I have full health. Because I'm not supposed to get hit anyway, assuming anything else is defeatist thinking.
Weapon icons and shield icons are useless. I know when my shield breaks, it's usually when the shield breaks. The timer is useless since I spend my time on full offense anyway, same with the number of people alive.
So, yes. Please allow me to turn these off without having to use StigUI. Oh, also, please allow me to turn off crosshairs aswell.