.NET: [BREAKING] Remove Support for Code-Gen in Declarative Workflows (#6095)

* Removed

* Remove sample

* Remove orphaned code-gen related code path

* Remove remaining references to code gen.

---------

Co-authored-by: Chris Rickman <crickman@microsoft.com>
Co-authored-by: Chris <66376200+crickman@users.noreply.github.com>

dotnet/src/Shared/CodeTests/Compiler.cs

@@ -1,73 +0,0 @@
-// Copyright (c) Microsoft. All rights reserved.
-
-using System;
-using System.Collections.Generic;
-using System.IO;
-using System.Linq;
-using System.Reflection;
-#if !NET
-using System.Threading.Tasks;
-#endif
-using Microsoft.Agents.AI;
-using Microsoft.Agents.AI.Workflows;
-using Microsoft.CodeAnalysis;
-using Microsoft.CodeAnalysis.CSharp;
-using Microsoft.CodeAnalysis.Emit;
-using Microsoft.Extensions.AI;
-using Xunit.Sdk;
-
-namespace Shared.Code;
-
-internal static class Compiler
-{
-    public static IEnumerable<Assembly> RepoDependencies(params IEnumerable<Type> types)
-    {
-        yield return typeof(object).Assembly;
-        yield return typeof(Console).Assembly;
-        yield return typeof(Enumerable).Assembly;
-#if NET
-        yield return Assembly.Load("System.Runtime");
-#else
-        yield return Assembly.LoadFrom(AppDomain.CurrentDomain.GetAssemblies().Single(a => a.GetName().Name == "netstandard").Location);
-        yield return typeof(IAsyncEnumerable<>).Assembly;
-        yield return typeof(ValueTask).Assembly;
-#endif
-        yield return typeof(ChatMessage).Assembly;
-        yield return typeof(AIAgent).Assembly;
-        yield return typeof(Workflow).Assembly;
-
-        foreach (Type type in types)
-        {
-            yield return type.Assembly;
-        }
-    }
-
-    public static Assembly Build(string workflowProviderCode, params IEnumerable<Assembly> dependencies)
-    {
-        // Compile the code
-        SyntaxTree syntaxTree = CSharpSyntaxTree.ParseText(workflowProviderCode);
-        CSharpCompilation compilation = CSharpCompilation.Create(
-            "DynamicAssembly",
-            [syntaxTree],
-            dependencies.Select(d => MetadataReference.CreateFromFile(d.Location)),
-            new CSharpCompilationOptions(OutputKind.DynamicallyLinkedLibrary)
-        );
-
-        using MemoryStream memoryStream = new();
-        EmitResult result = compilation.Emit(memoryStream);
-
-        if (!result.Success)
-        {
-            Console.WriteLine("COMPLILATION FAILURE:");
-            foreach (var diagnostic in result.Diagnostics)
-            {
-                Console.WriteLine(diagnostic.ToString());
-            }
-            throw new XunitException("Compilation failed.");
-        }
-
-        Console.WriteLine("COMPLILATION SUCCEEDED...");
-        memoryStream.Seek(0, SeekOrigin.Begin);
-        return Assembly.Load(memoryStream.ToArray());
-    }
-}

dotnet/src/Shared/CodeTests/README.md

@@ -1,11 +0,0 @@
-# Build Code
-
-Re-usable utility for building C# code in tests.
-
-To use this in your project, add the following to your `.csproj` file:
-
-```xml
-<PropertyGroup>
-  <InjectSharedBuildTestCode>true</InjectSharedBuildTestCode>
-</PropertyGroup>
-```