Remove ixWebSocket

ixwebsocket/include/IXExponentialBackoff.h

@@ -1,17 +0,0 @@
-/*
- *  IXExponentialBackoff.h
- *  Author: Benjamin Sergeant
- *  Copyright (c) 2017-2019 Machine Zone, Inc. All rights reserved.
- */
-
-#pragma once
-
-#include <cstdint>
-
-namespace ix
-{
-uint32_t
-    calculateRetryWaitMilliseconds(uint32_t retryCount,
-                                   uint32_t maxWaitBetweenReconnectionRetries,
-                                   uint32_t minWaitBetweenReconnectionRetries);
-} // namespace ix