Code Cleanup

src/dlt/connector/client/DltEventsCollector.py

src/dlt/connector/service/DltConnectorServiceServicerImpl.py

.../connector/service/event_dispatcher/DltEventDispatcher.py

src/dlt/performance/__main__.py

src/dlt/performance/play_ground/Dlt.py

src/dlt/performance/play_ground/__init__.py

src/interdomain/service/InterdomainServiceServicerImpl.py

...nterdomain/service/topology_abstractor/DltRecordSender.py

...rdomain/service/topology_abstractor/TopologyAbstractor.py

src/load_generator/load_gen/DltTools.py

src/load_generator/load_gen/RequestGenerator.py

src/load_generator/tests/test_dlt_functional.py