remove local project reference (#84)

Author: ElderJames

src/layout/src/AntDesign.ProLayout.csproj

@@ -31,14 +31,9 @@
     <SolutionDir>../../../</SolutionDir>
   </PropertyGroup>
 
-
-  <ItemGroup>
-    <ProjectReference Include="..\..\..\..\ant-design-blazor\components\AntDesign.csproj" />
-  </ItemGroup>
-
   <ItemGroup>
     <Content Update="**\*.razor">
       <Pack>false</Pack>
     </Content>
   </ItemGroup>
-</Project>
+</Project>