fix: remove Microsoft.NETFramework.ReferenceAssemblies package

build/NetFX.props

@@ -1,7 +1,6 @@
 <Project>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.NETFramework.ReferenceAssemblies" Version="1.0.2" PrivateAssets="All" />
   </ItemGroup>
 
 </Project>