Function cleanup

sdk/src/CloudSocketClientLib.js:479–485

()

                            //Remove all listeners on the transport and on self
                            function cleanup() {
                                transport.removeListener('open', onTransportOpen);
                                transport.removeListener('error', onerror);
                                transport.removeListener('close', onTransportClose);
                                self.removeListener('close', onclose);
                                self.removeListener('upgrading', onupgrade);
                            }

                            transport.once('open', onTransportOpen);
                            transport.once('error', onerror);