Remove (now) useless import.
Remove (now) useless import.


Former-commit-id: 91d549c05de5a52254c09e6820de3daa52006add [formerly 91d549c05de5a52254c09e6820de3daa52006add [formerly a7408fb56225625705e2257bd9c028aaa2e68668]]
Former-commit-id: 9e68f9c7737753595c5fd8c601d837da4e893a46
Former-commit-id: d52a9809fd1cea89b9b4645b8af62e0b9e92f502
gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine