Remove ancient nuget config

NuGet.Config

@@ -4,6 +4,5 @@
   <packageSources>
     <clear />
     <add key="api.nuget.org" value="https://api.nuget.org/v3/index.json" />
-    <add key="avalonia" value="https://pkgs.dev.azure.com/AvaloniaUI/AvaloniaUI/_packaging/avalonia-all/nuget/v3/index.json" protocolVersion="3" />
   </packageSources>
 </configuration>

Wordle.sln

@@ -18,6 +18,7 @@ Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Build", "Build", "{366944AC
 		Directory.Build.props = Directory.Build.props
 		.github\workflows\azure-swa.yml = .github\workflows\azure-swa.yml
 		.github\workflows\dotnet.yml = .github\workflows\dotnet.yml
+		NuGet.Config = NuGet.Config
 	EndProjectSection
 EndProject
 Global