Remove logging configuration

[ottowayi]

in client.py logging.basicConfig is called on line 19, this configures the root logger with a default stderr stream handler. By doing this, it means any other calls to basicConfig are ignored. This leads to users having to call basicConfig before importing aonvif or other work arounds. In my case, I'm not using basicConfig, so I end up with duplicate log entries in my terminal just from importing the library. Please remove this or it might be better to move it to the CLI startup. That way there still is default logging for using the CLI, but removes the logging side effects from importing.

[martyanov]

@ottowayi thanks for the report. Colud your please create a PR with the changes?