Not necessarily. I suspect even in the case of 2.0, most if not all of those apis will survive. Deprecation markers exist to encourage people to use newer, better APIs.
I suspect that even if 2.0 happened, the only apis that would be removed would be ones that we're reasonably sure nobody uses (via crater), and even then there would be debate.
And like Gankro said, 2.0 is a thing that's not supposed to happen in the first place.