Remove appsettings.json loading component from startup server (#14275)

Jellyfin.Server/ServerSetupApp/SetupServer.cs

@@ -141,7 +141,7 @@ public sealed class SetupServer : IDisposable
         ThrowIfDisposed();
         var retryAfterValue = TimeSpan.FromSeconds(5);
         var config = _configurationManager.GetNetworkConfiguration()!;
-        _startupServer = Host.CreateDefaultBuilder()
+        _startupServer = Host.CreateDefaultBuilder(["hostBuilder:reloadConfigOnChange=false"])
             .UseConsoleLifetime()
             .ConfigureServices(serv =>
             {