Goroutine wranglin (#7556)

* goroutine wranglin

* synchronize WebConn.WritePump

app/server.go

@@ -211,18 +211,3 @@ func (a *App) StartServer() {
 		}
 	}()
 }
-
-func (a *App) StopServer() {
-
-	l4g.Info(utils.T("api.server.stop_server.stopping.info"))
-
-	a.Srv.GracefulServer.Stop(TIME_TO_WAIT_FOR_CONNECTIONS_TO_CLOSE_ON_SERVER_SHUTDOWN)
-	a.Srv.Store.Close()
-	a.HubStop()
-
-	a.ShutDownPlugins()
-
-	a.Srv = nil
-
-	l4g.Info(utils.T("api.server.stop_server.stopped.info"))
-}