Remove dependency on Microsoft.AspNet.WebApi.Client (#996)

* Using an alias for System.Net.Http.Formatting

* .

* fix

* space

src/WireMock.Net/Http/HttpClientFactory2.cs

@@ -1,3 +1,4 @@
+using System.Linq;
 using System.Net.Http;
 
 namespace WireMock.Http;
@@ -6,19 +7,31 @@ internal static class HttpClientFactory2
 {
     public static HttpClient Create(params DelegatingHandler[] handlers)
     {
-#if NETSTANDARD1_3
-        return new HttpClient();
-#else
-        return HttpClientFactory.Create(handlers);
-#endif
+        var handler = CreateHandlerPipeline(new HttpClientHandler(), handlers);
+        return new HttpClient(handler);
     }
 
     public static HttpClient Create(HttpMessageHandler innerHandler, params DelegatingHandler[] handlers)
     {
-#if NETSTANDARD1_3
-        return new HttpClient(innerHandler);
-#else
-        return HttpClientFactory.Create(innerHandler, handlers);
-#endif
+        var handler = CreateHandlerPipeline(innerHandler, handlers);
+        return new HttpClient(handler);
+    }
+
+    private static HttpMessageHandler CreateHandlerPipeline(HttpMessageHandler handler, params DelegatingHandler[] delegatingHandlers)
+    {
+        if (delegatingHandlers.Length == 0)
+        {
+            return handler;
+        }
+
+        var next = handler;
+
+        foreach (var delegatingHandler in delegatingHandlers.Reverse())
+        {
+            delegatingHandler.InnerHandler = next;
+            next = delegatingHandler;
+        }
+
+        return next;
     }
 }