Rename User to APIUser and move to correct namespace

osu.Game/Online/API/APIRequest.cs

@@ -6,7 +6,7 @@ using JetBrains.Annotations;
 using Newtonsoft.Json;
 using osu.Framework.IO.Network;
 using osu.Framework.Logging;
-using osu.Game.Users;
+using osu.Game.Online.API.Requests.Responses;
 
 namespace osu.Game.Online.API
 {
@@ -69,7 +69,7 @@ namespace osu.Game.Online.API
         /// <summary>
         /// The currently logged in user. Note that this will only be populated during <see cref="Perform"/>.
         /// </summary>
-        protected User User { get; private set; }
+        protected APIUser User { get; private set; }
 
         /// <summary>
         /// Invoked on successful completion of an API request.