Revert "chore: Wasm - incomplete"

This reverts commit 9155c4b.

src/Uno.UI/UI/Xaml/FontFamily.wasm.cs

@@ -3,11 +3,9 @@
 using System;
 using System.ComponentModel;
 using System.Diagnostics.CodeAnalysis;
-using System.Reflection;
 using System.Runtime.CompilerServices;
 using System.Threading.Tasks;
 using Uno;
-using Uno.UI.Xaml.Media;
 using Windows.Storage.Helpers;
 
 namespace Microsoft.UI.Xaml.Media
@@ -16,8 +14,6 @@ public partial class FontFamily
 	{
 		private FontFamilyLoader _loader;
 
-		private static Assembly _entryAssembly = Assembly.GetEntryAssembly()!;
-		private static string _entryAssemblyName = _entryAssembly.GetName().Name!;
 
 		/// <summary>
 		/// Contains the font-face name to use in CSS.
@@ -70,18 +66,6 @@ private static bool TryGetExternalUri(string? source, out Uri? uri)
 
 				if (Uno.UI.Xaml.XamlFilePathHelper.TryGetMsAppxAssetPath(uri, out var path))
 				{
-					var resourceName = path.Replace('/', '.') + ".manifest";
-					resourceName = $"{_entryAssemblyName}.{resourceName}";
-					var manifestStream = _entryAssembly.GetManifestResourceStream(resourceName);
-					if (manifestStream is not null)
-					{
-						uri = new Uri(FontManifestHelpers.GetFamilyNameFromManifest(manifestStream, default, default, default /*weight, style, stretch*/));
-						if (Uno.UI.Xaml.XamlFilePathHelper.TryGetMsAppxAssetPath(uri, out var path2))
-						{
-							path = path2;
-						}
-					}
-
 					var assetUri = AssetsPathBuilder.BuildAssetUri(path);
 					uri = new Uri(assetUri, UriKind.RelativeOrAbsolute);
 				}