remove unused parameter
remove unused parameter

mavasani/roslyn,shyamnamboodiripad/roslyn,shyamnamboodiripad/roslyn,CyrusNajmabadi/roslyn,bartdesmet/roslyn,KevinRansom/roslyn,bartdesmet/roslyn,jasonmalinowski/roslyn,jasonmalinowski/roslyn,eriawan/roslyn,weltkante/roslyn,sharwell/roslyn,diryboy/roslyn,diryboy/roslyn,sharwell/roslyn,KevinRansom/roslyn,dotnet/roslyn,eriawan/roslyn,sharwell/roslyn,mavasani/roslyn,KevinRansom/roslyn,bartdesmet/roslyn,dotnet/roslyn,diryboy/roslyn,eriawan/roslyn,weltkante/roslyn,mavasani/roslyn,dotnet/roslyn,weltkante/roslyn,jasonmalinowski/roslyn,shyamnamboodiripad/roslyn,CyrusNajmabadi/roslyn,CyrusNajmabadi/roslyn