Ah, better. It was not at all obvious how to get rid of it. Hamburger -> General -> Home -> Top Sites Then it can be toggled off. Whew! EDIT: It's still not

Ah, better. It was not at all obvious how to get rid of it. Hamburger -> General -> Home -> Top Sites Then it can be toggled off. Whew! EDIT: It's still not nice to have this sort of thing come up by surprise.