Remove legacy auth code (#1677)

* Remove legacy auth code

* Adds tests so we don't break PasswordHash (again)
* Clean up interfaces
* Remove duplicate code

* Use auto properties

* static using

* Don't use 'this'

* Fix build

1 files changed, 2 insertions, 2 deletions

diff --git a/Emby.Server.Implementations/Updates/InstallationManager.cs b/Emby.Server.Implementations/Updates/InstallationManager.cs
index 2f84b91ec..7947edeeb 100644
--- a/Emby.Server.Implementations/Updates/InstallationManager.cs
+++ b/Emby.Server.Implementations/Updates/InstallationManager.cs
@@ -9,7 +9,6 @@ using System.Threading;
 using System.Threading.Tasks;
 using MediaBrowser.Common;
 using MediaBrowser.Common.Configuration;
-using MediaBrowser.Common.Extensions;
 using MediaBrowser.Common.Net;
 using MediaBrowser.Common.Plugins;
 using MediaBrowser.Common.Updates;
@@ -19,6 +18,7 @@ using MediaBrowser.Model.IO;
 using MediaBrowser.Model.Serialization;
 using MediaBrowser.Model.Updates;
 using Microsoft.Extensions.Logging;
+using static MediaBrowser.Common.HexHelper;
 
 namespace Emby.Server.Implementations.Updates
 {
@@ -454,7 +454,7 @@ namespace Emby.Server.Implementations.Updates
             {
                 cancellationToken.ThrowIfCancellationRequested();
 
-                var hash = HexHelper.ToHexString(md5.ComputeHash(stream));
+                var hash = ToHexString(md5.ComputeHash(stream));
                 if (!string.Equals(package.checksum, hash, StringComparison.OrdinalIgnoreCase))
                 {
                     _logger.LogDebug("{0}, {1}", package.checksum, hash);