refactor(distinct-spec): update distinct operator tests to use pipeable operators (#3724)
refactor(distinct-spec): update distinct operator tests to use pipeable operators (#3724)

update distinct spec to use updated import sites and pipeable operators
ReactiveX/rxjs,martinsik/rxjs,Brocco/RxJS,ReactiveX/RxJS,kwonoj/RxJS,trxcllnt/RxJS,kwonoj/RxJS,trxcllnt/RxJS,Brocco/RxJS,ReactiveX/RxJS,martinsik/rxjs,benlesh/RxJS,ReactiveX/RxJS,Brocco/RxJS,Brocco/RxJS,ReactiveX/rxjs,ReactiveX/RxJS,kwonoj/RxJS,benlesh/RxJS,kwonoj/RxJS,martinsik/rxjs,trxcllnt/RxJS,martinsik/rxjs,ReactiveX/rxjs,trxcllnt/RxJS,benlesh/RxJS,ReactiveX/rxjs,benlesh/RxJS