[llvm] [MachineScheduler] Turn SU->isScheduled check into an assert in pickNode() (PR #160145)

[Jonas Paulsson via llvm-commits]

JonPsson1 wrote:

actually, there is already an assert in schedule(), so no need to assert in pickNode() as well (or other way around).

https://github.com/llvm/llvm-project/pull/160145