removed unneeded variable
removed unneeded variable


Former-commit-id: f155f61ab07262bdcb5a0bfe6b38f72cb7daa3cf [formerly f155f61ab07262bdcb5a0bfe6b38f72cb7daa3cf [formerly f5201e39c161e6747ed09a0faed6937e2ffdece8]]
Former-commit-id: 1bbdfce103e53489ece28c1e502af978d8a6cc92
Former-commit-id: a70c3945559e414edfb41c5dcf4b06eb625a56f0
gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine