Clean unused namespaces

Author: kzu

sample/Server/Program.cs

@@ -1,12 +1,10 @@
-using System.Runtime.CompilerServices;
-using System.Runtime.InteropServices;
+using System.Runtime.InteropServices;
 using System.Text;
 using Devlooped.Extensions.AI;
 using Microsoft.Agents.AI;
 using Microsoft.Agents.AI.Hosting;
 using Microsoft.Agents.AI.Hosting.OpenAI;
 using Microsoft.Extensions.AI;
-using ModelContextProtocol.Server;
 using Spectre.Console;
 
 var builder = WebApplication.CreateBuilder(args);

src/Agents/ConfigurableAIAgent.cs

@@ -1,9 +1,5 @@
-using System;
-using System.ComponentModel;
+using System.ComponentModel;
 using System.Diagnostics;
-using System.Diagnostics.CodeAnalysis;
-using System.Linq.Expressions;
-using System.Reflection;
 using System.Text.Json;
 using Devlooped.Extensions.AI;
 using Devlooped.Extensions.AI.Grok;
@@ -12,7 +8,6 @@
 using Microsoft.Extensions.Configuration;
 using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.Logging;
-using ModelContextProtocol.Server;
 
 namespace Devlooped.Agents.AI;
 

src/Tests/Misc.cs

@@ -1,6 +1,4 @@
-using System;
-using System.Collections.Generic;
-using System.Text;
+using System.Text;
 using Devlooped.Agents.AI;
 using Microsoft.Extensions.AI;
 using Microsoft.Extensions.Configuration;