removed element added in error.

Author: mludlum

UnitsNet.Serialization.JsonNet.Tests/UnitsNet.Serialization.JsonNet.Tests.csproj

@@ -67,9 +67,6 @@
       <Name>UnitsNet.Net35</Name>
     </ProjectReference>
   </ItemGroup>
-  <ItemGroup>
-    <Service Include="{82A7F48D-3B50-4B1E-B82E-3ADA8210C358}" />
-  </ItemGroup>
   <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
   <!-- To modify your build process, add your task inside one of the targets below and uncomment it. 
        Other similar extension points exist, see Microsoft.Common.targets.