Remove explicit using in HTTP examples (#46026)

* Remove explicit using in HTTP examples

* Remove IDisposable impl

Author: IEvangelist

docs/core/extensions/httpclient-factory.md

@@ -3,7 +3,7 @@ title: Use the IHttpClientFactory
 description: Learn how to use the HttpClient and IHttpClientFactory implementations with dependency injection in your .NET workloads.
 author: IEvangelist
 ms.author: dapine
-ms.date: 08/13/2024
+ms.date: 05/06/2025
 ---
 
 # IHttpClientFactory with .NET

docs/core/extensions/snippets/http/basic/TodoService.cs

@@ -12,7 +12,7 @@ public sealed class TodoService(
     public async Task<Todo[]> GetUserTodosAsync(int userId)
     {
         // Create the client
-        using HttpClient client = httpClientFactory.CreateClient();
+        HttpClient client = httpClientFactory.CreateClient();
 
         try
         {

docs/core/extensions/snippets/http/named/TodoService.cs

@@ -23,7 +23,7 @@ public async Task<Todo[]> GetUserTodosAsync(int userId)
     {
         // Create the client
         string? httpClientName = _configuration["TodoHttpClientName"];
-        using HttpClient client = _httpClientFactory.CreateClient(httpClientName ?? "");
+        HttpClient client = _httpClientFactory.CreateClient(httpClientName ?? "");
 
         try
         {

docs/core/extensions/snippets/http/typed/TodoService.cs

@@ -7,7 +7,7 @@ namespace TypedHttp.Example;
 
 public sealed class TodoService(
     HttpClient httpClient,
-    ILogger<TodoService> logger) : IDisposable
+    ILogger<TodoService> logger)
 {
     public async Task<Todo[]> GetUserTodosAsync(int userId)
     {
@@ -28,6 +28,4 @@ public async Task<Todo[]> GetUserTodosAsync(int userId)
 
         return [];
     }
-
-    public void Dispose() => httpClient?.Dispose();
 }