Do not implicitly reference ASP.NET Core Analyzers.

Also do not explicitly reference AspNetCore.App (fixes compiler warning).

Jellyfin.Server/Jellyfin.Server.csproj

@@ -13,6 +13,7 @@
     <GenerateDocumentationFile>true</GenerateDocumentationFile>
     <TreatWarningsAsErrors>true</TreatWarningsAsErrors>
     <Nullable>enable</Nullable>
+    <DisableImplicitAspNetCoreAnalyzers>true</DisableImplicitAspNetCoreAnalyzers>
   </PropertyGroup>
 
   <ItemGroup>
@@ -23,10 +24,6 @@
     <EmbeddedResource Include="Resources/Configuration/*" />
   </ItemGroup>
 
-  <ItemGroup>
-    <FrameworkReference Include="Microsoft.AspNetCore.App" />
-  </ItemGroup>
-
   <!-- Code Analyzers-->
   <ItemGroup Condition=" '$(Configuration)' == 'Debug' ">
     <PackageReference Include="Microsoft.CodeAnalysis.FxCopAnalyzers" Version="2.9.8" PrivateAssets="All" />