Remove now-unnecessary custom comparer (#2400)
Remove now-unnecessary custom comparer (#2400)

Remove now-unnecessary custom comparer
peppy/osu-framework,ppy/osu-framework,EVAST9919/osu-framework,ZLima12/osu-framework,smoogipooo/osu-framework,peppy/osu-framework,smoogipooo/osu-framework,EVAST9919/osu-framework,ppy/osu-framework,EVAST9919/osu-framework,ppy/osu-framework,ZLima12/osu-framework,EVAST9919/osu-framework,peppy/osu-framework