Stop setting the DOTNET_REFERENCE_ASSEMBLIES_PATH
Stop setting the DOTNET_REFERENCE_ASSEMBLIES_PATH

https://github.com/dotnet/cli/issues/531 is fixed

DustinCampbell/omnisharp-roslyn,nabychan/omnisharp-roslyn,hal-ler/omnisharp-roslyn,jtbm37/omnisharp-roslyn,OmniSharp/omnisharp-roslyn,jtbm37/omnisharp-roslyn,DustinCampbell/omnisharp-roslyn,nabychan/omnisharp-roslyn,OmniSharp/omnisharp-roslyn,hal-ler/omnisharp-roslyn