[2020] How to turn off banner at the top of screen

We've used the global ticker less than a handful of times in almost 3 years <3 if there's an issue crippling games for players, we'll use that in a pinch to get a message out there.

If it could be turned off, you might miss a message that helps you out in a situation.

We can't win every case, but in this one it felt pertinent to put it up globally for a couple of hours before moving it to 'loading screens only'.