[BUG] async-mqtt-client used to depend on ASYNC_TCP_SSL_ENABLED

[ayushsharma82]

The async-mqtt-client library used to depend on the SSL implementation in original AsyncTCP. How can we achieve the same with current versions of AsyncTCP?

Currently it throws an error that this file is missing:

https://github.com/marvinroger/async-mqtt-client/blob/3d93fc7f662e65366f8e2b0d88b108f874f035b9/src/AsyncMqttClient.hpp#L22