Remove Reference to ICSharpCode.Core from .Reporting

Author: PeterForstmeier

src/AddIns/Misc/Reporting/ICSharpCode.Reporting/ICSharpCode.Reporting.csproj

@@ -229,13 +229,5 @@
   <ItemGroup>
     <Page Include="Src\Wpf\WpfReportViewer\WpfReportViewer.xaml" />
   </ItemGroup>
-  <ItemGroup>
-    <ProjectReference Include="..\..\..\..\Main\Core\Project\ICSharpCode.Core.csproj">
-      <Project>{35CEF10F-2D4C-45F2-9DD1-161E0FEC583C}</Project>
-      <Name>ICSharpCode.Core</Name>
-      <Private>False</Private>
-      <ReferenceOutputAssembly>false</ReferenceOutputAssembly>
-    </ProjectReference>
-  </ItemGroup>
   <Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
 </Project>