refactor remove upstream env dependency (#551)

packages/server/src/index.ts

@@ -163,10 +163,8 @@ export async function bootstrap() {
   const interfaces = safeNetworkInterfaces()
   const localIp = Object.values(interfaces).flat().find(i => i?.family === 'IPv4' && !i?.internal)?.address || 'localhost'
   console.log(`Server: http://localhost:${config.port} (LAN: http://${localIp}:${config.port})`)
-  console.log(`Upstream: ${config.upstream}`)
   console.log(`Log: ~/.hermes-web-ui/logs/server.log`)
   logger.info('Server: http://localhost:%d (LAN: http://%s:%d)', config.port, localIp, config.port)
-  logger.info('Upstream: %s', config.upstream)
 
   // Restore group chat agents after server is ready.
   groupChatServer.restoreWhenReady()