Update Startup.cs

Late night

Jellyfin.Server/Startup.cs

@@ -4,7 +4,6 @@ using Jellyfin.Networking.Configuration;
 using Jellyfin.Server.Extensions;
 using Jellyfin.Server.Implementations;
 using Jellyfin.Server.Middleware;
-using Jellyfin.Server.Networking;
 using MediaBrowser.Common.Net;
 using MediaBrowser.Controller;
 using MediaBrowser.Controller.Configuration;