Revert "Merge branch 'feat/context-service' into 'master'"

src/context/proto/context_pb2_grpc.py

src/context/requirements.in

src/context/run_integration_tests.sh

src/context/run_unitary_tests.sh

src/context/service/ContextService.py

src/context/service/ContextServiceServicerImpl.py

src/context/service/__init__.py

src/context/service/__main__.py

src/context/tests/__init__.py

src/context/tests/test_integration.py

src/context/tests/test_unitary.py

src/context/tests/tools/ValidateTopology.py

src/context/tests/tools/__init__.py