Revert the project inclusion that created a cycle.

MediaBrowser.Model/MediaBrowser.Model.csproj

@@ -1,4 +1,4 @@
-<Project Sdk="Microsoft.NET.Sdk">
+<Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
     <Authors>Jellyfin Contributors</Authors>
@@ -13,10 +13,6 @@
     <GenerateDocumentationFile>true</GenerateDocumentationFile>
   </PropertyGroup>
 
-  <ItemGroup>
-    <ProjectReference Include="..\MediaBrowser.Common\MediaBrowser.Common.csproj" />
-  </ItemGroup>
-
   <ItemGroup>
     <PackageReference Include="Microsoft.AspNetCore.Http.Abstractions" Version="2.2.0" />
     <PackageReference Include="Microsoft.Extensions.Logging.Abstractions" Version="3.0.0" />