Remove unneeded proj reference

Author: Bogdan Gavril

Tests/TestUtilities/TestUtilities.csproj

@@ -65,10 +65,6 @@
       <Project>{e312fdbb-bc13-4559-8f21-76ca5b88ebc5}</Project>
       <Name>SonarQube.Common</Name>
     </ProjectReference>
-    <ProjectReference Include="..\..\SonarQube.TeamBuild.Integration\SonarQube.TeamBuild.Integration.csproj">
-      <Project>{66ce9491-1c14-45d2-beb6-a0695c63ebb2}</Project>
-      <Name>SonarQube.TeamBuild.Integration</Name>
-    </ProjectReference>
   </ItemGroup>
   <ItemGroup>
     <Content Include="License.txt" />