Removed unused method
Removed unused method


Former-commit-id: e405ecf9bfcb3e62cc15c3c1aed700270de82d4e [formerly f844cb373b005ee3eab63006d7a0700168ed6c8c]
Former-commit-id: 51d6b58671a787dbcf62c1a826504d1f6780fa7e
gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine