Delete mq_comms directory

[veprbl]

Not used anywhere. BaseAgent is the suggested API.

[github-actions]

Test Coverage Summary

-------------------------------------------------------------------
src/swf_common_lib/__init__.py            0      0   100%
src/swf_common_lib/api_utils.py          87     87     0%   8-198
src/swf_common_lib/base_agent.py        393    393     0%   5-780
src/swf_common_lib/config_utils.py       30     30     0%   7-102
src/swf_common_lib/logging_utils.py      33      0   100%
src/swf_common_lib/rest_logging.py       80     80     0%   8-157
-------------------------------------------------------------------
TOTAL                                   623    590     5%
============================== 5 passed in 2.53s ===============================