Removed unused calls and classes from the old plugin system

Moonlight.ApiServer/Helpers/BundleAssetFileProvider.cs

@@ -1,28 +0,0 @@
-using Microsoft.Extensions.FileProviders;
-using Microsoft.Extensions.FileProviders.Physical;
-using Microsoft.Extensions.Primitives;
-using MoonCore.Helpers;
-
-namespace Moonlight.ApiServer.Helpers;
-
-public class BundleAssetFileProvider : IFileProvider
-{
-    public IDirectoryContents GetDirectoryContents(string subpath)
-     => NotFoundDirectoryContents.Singleton;
-
-    public IFileInfo GetFileInfo(string subpath)
-    {
-        if(subpath != "/css/bundle.css")
-            return new NotFoundFileInfo(subpath);
-
-        var physicalPath = PathBuilder.File("storage", "tmp", "bundle.css");
-        
-        if(!File.Exists(physicalPath))
-            return new NotFoundFileInfo(subpath);
-
-        return new PhysicalFileInfo(new FileInfo(physicalPath));
-    }
-
-    public IChangeToken Watch(string filter)
-     => NullChangeToken.Singleton;
-}