Fix CA errors.

Author: grokys

src/GitHub.Api/ApiClientConfiguration.cs

@@ -1,4 +1,5 @@
 using System;
+using System.Collections.Generic;
 using System.Globalization;
 using System.Linq;
 using System.Net;
@@ -34,7 +35,7 @@ static ApiClientConfiguration()
         /// <summary>
         /// Gets the scopes required by the application.
         /// </summary>
-        public static string[] Scopes { get; } = new[] { "user", "repo", "gist", "write:public_key" };
+        public static IReadOnlyList<string> Scopes { get; } = new[] { "user", "repo", "gist", "write:public_key" };
 
         /// <summary>
         /// Gets a note that will be stored with the OAUTH token.

src/GitHub.App/Api/ApiClient.cs

@@ -7,17 +7,11 @@
 using System.Reactive.Linq;
 using System.Security.Cryptography;
 using System.Text;
+using GitHub.Extensions;
+using GitHub.Logging;
 using GitHub.Primitives;
 using Octokit;
 using Octokit.Reactive;
-using ReactiveUI;
-using System.Threading.Tasks;
-using System.Reactive.Threading.Tasks;
-using Octokit.Internal;
-using System.Collections.Generic;
-using GitHub.Models;
-using GitHub.Extensions;
-using GitHub.Logging;
 using Serilog;
 
 namespace GitHub.Api
@@ -29,8 +23,6 @@ public partial class ApiClient : IApiClient
         static readonly ILogger log = LogManager.ForContext<ApiClient>();
 
         readonly IObservableGitHubClient gitHubClient;
-        readonly static Lazy<string> lazyNote = new Lazy<string>(() => ProductName + " on " + GetMachineNameSafe());
-        readonly static Lazy<string> lazyFingerprint = new Lazy<string>(GetFingerprint);
 
         string ClientId { get; set; }
         string ClientSecret { get; set; }