remove unnecessary null checks
remove unnecessary null checks

NeoAdonis/osu,2yangk23/osu,johnneijzen/osu,peppy/osu,EVAST9919/osu,UselessToucan/osu,smoogipoo/osu,smoogipooo/osu,ppy/osu,2yangk23/osu,peppy/osu,peppy/osu,NeoAdonis/osu,smoogipoo/osu,EVAST9919/osu,UselessToucan/osu,ppy/osu,UselessToucan/osu,ppy/osu,NeoAdonis/osu,peppy/osu-new,smoogipoo/osu,johnneijzen/osu