2.x: Cleanup in the Scheduler class (#5985)
2.x: Cleanup in the Scheduler class (#5985)


reactivex/rxjava,artem-zinnatullin/RxJava,ReactiveX/RxJava,reactivex/rxjava,ReactiveX/RxJava,artem-zinnatullin/RxJava,NiteshKant/RxJava,NiteshKant/RxJava