Remove duplicate reference

Author: Paul van Brenk

Nodejs/Product/Nodejs/Nodejs.csproj

@@ -84,9 +84,6 @@
     <Reference Include="envdte80, Version=8.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a">
       <EmbedInteropTypes>False</EmbedInteropTypes>
     </Reference>
-    <Reference Include="Microsoft.VisualStudio.Shell.Interop.15.7.DesignTime, Version=15.7.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
-      <EmbedInteropTypes>True</EmbedInteropTypes>
-    </Reference>
     <Reference Include="microsoft.visualstudio.textmanager.interop.11.0, Version=11.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a, processorArchitecture=MSIL">
       <EmbedInteropTypes>True</EmbedInteropTypes>
     </Reference>