logs: Removed an obsolete constant
logs: Removed an obsolete constant

Former-commit-id: 6bdfb7a205c92ec48ddd4aff37f8de600f986c42 [formerly 6bdfb7a205c92ec48ddd4aff37f8de600f986c42 [formerly 9431cadcdcc093fa979f24434411870a08b86abc]]
Former-commit-id: 5856fbde94745797e4aff6153ede40b4dc19a060
Former-commit-id: bdb65656b9d879caf8c1ba4653ac3d0d17fbf3fe
gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine