Removed unused method
Removed unused method


Former-commit-id: 0bdc31a12933fc4a92503d5b15747eb2afbedc45 [formerly d139c30e8f62173ce03282d717378d94009063be] [formerly d139c30e8f62173ce03282d717378d94009063be [formerly 82f1ad77f32df108b275d1392869d305affb72f4]]
Former-commit-id: 28b68e6a2f28a7aed91e62e56dca7861331e5267
Former-commit-id: d03281d4cdbfbf914174929c6d115156c5c67230
gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine