Updated Xamarin forms. Dropped modernhttpclient in favor of native implementations built into xamarin now.

src/App/Utilities/ApiHttpClient.cs

@@ -1,5 +1,4 @@
 using System.Net.Http;
-using ModernHttpClient;
 using System;
 using System.Net.Http.Headers;
 
@@ -8,7 +7,6 @@ namespace Bit.App
     public class ApiHttpClient : HttpClient
     {
         public ApiHttpClient()
-            : base(new NativeMessageHandler())
         {
             BaseAddress = new Uri("https://api.bitwarden.com");
             DefaultRequestHeaders.Accept.Add(new MediaTypeWithQualityHeaderValue("application/json"));