renamed file.

Emby.Server.Implementations/ApplicationHost.cs

@@ -47,7 +47,6 @@ using Emby.Server.Implementations.SyncPlay;
 using Emby.Server.Implementations.TV;
 using Emby.Server.Implementations.Updates;
 using Jellyfin.Api.Helpers;
-using Jellyfin.Api.Migrations;
 using Jellyfin.Networking.Configuration;
 using Jellyfin.Networking.Manager;
 using MediaBrowser.Common;