Removed some unused code
Removed some unused code


Former-commit-id: bcbdb0ee2d466ac9ea8d60efb661f50bf0ba3340 [formerly a045d59e205d96b6c82fa4b77c09c9b6910bbd7f] [formerly a045d59e205d96b6c82fa4b77c09c9b6910bbd7f [formerly 6f08799c0bba225d66f45cfade8ba42c5369be6e]]
Former-commit-id: ffbe12ea4ad385dfff0667dc65f60d7154b4f80d
Former-commit-id: 232cfde766bad437b87c1969cb03165dd21a5ce7
gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine