Revert "WS-508: ingest_envoy structure and integration"

apps/cli/executables/pexable/conveyor/test/test_conveyor.py

...i/executables/pexable/ingest_envoy/ingest_envoy/ingest.py

...ecutables/pexable/ingest_envoy/ingest_envoy/interfaces.py

...xecutables/pexable/ingest_envoy/ingest_envoy/launchers.py

...cli/executables/pexable/ingest_envoy/ingest_envoy/main.py

...xecutables/pexable/ingest_envoy/ingest_envoy/solicitor.py

apps/cli/executables/pexable/ingest_envoy/setup.py

.../pexable/ingest_envoy/test/input_files/test-metadata.json

.../cli/executables/pexable/ingest_envoy/test/test_ingest.py

...i/executables/pexable/ingest_envoy/test/test_launchers.py

...i/executables/pexable/ingest_envoy/test/test_solicitor.py

docker.properties

...s/a7c2b4682aae_add_workflow_creation_time_to_metadata_.py