Remove abstract auth client class and simplify hierarchy

Author: HarelM

OsmSharp.IO.API.Tests/OAuth2ClientTests.cs

@@ -3,7 +3,6 @@
 using OsmSharp.API;
 using OsmSharp.Changesets;
 using OsmSharp.Tags;
-using System;
 using System.IO;
 using System.Linq;
 using System.Net.Http;

OsmSharp.IO.API/AuthClient.cs

@@ -1,8 +1,5 @@
 using Microsoft.Extensions.Logging;
-using System;
-using System.Collections.Generic;
 using System.Net.Http;
-using System.Text;
 
 namespace OsmSharp.IO.API
 {
@@ -39,7 +36,7 @@ public INonAuthClient CreateNonAuthClient()
         /// <inheritdoc/>
         public IAuthClient CreateOAuth2Client(string token)
         {
-            return new OAuth2Client(_httpClient, _logger, _baseAddress, token);
+            return new OAuth2Client(token, _baseAddress, _httpClient, _logger);
         }
     }
 }

OsmSharp.IO.API/ClientsFactory.cs

@@ -5,7 +5,6 @@
 using OsmSharp.API;
 using OsmSharp.Changesets;
 using OsmSharp.Complete;
-using OsmSharp.Db;
 
 namespace OsmSharp.IO.API
 {

OsmSharp.IO.API/INonAuthClient.cs

@@ -14,7 +14,6 @@
 using System.IO;
 using System.Web;
 using Microsoft.Extensions.Logging;
-using OsmSharp.Db;
 using System.Globalization;
 
 namespace OsmSharp.IO.API