Simplification [skip CI]
Simplification [skip CI]


Former-commit-id: d08df4a9c50a17d394e63a64322e578fe826fe4d [formerly ea6ec4e662b7da9b1c5cac472ae10e90ad5e6524]
Former-commit-id: d484a4381cd15828cf405ed14a8be2fc1a1a1557
gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine