another removal of unuseful code
another removal of unuseful code


Former-commit-id: 78fe753379bf81d26a914500b551d2be76144f29 [formerly 52d52232a1daf4b94d693d2746ac5957f783aa4c]
Former-commit-id: 771e32ece70fec489a65134a382917705139a012
gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine