input/logictree.py: removed debug code. test coverage is now 98%
input/logictree.py: removed debug code. test coverage is now 98%


Former-commit-id: e2cc9410b8d1213b80feb42677f43ff011de4229 [formerly e2cc9410b8d1213b80feb42677f43ff011de4229 [formerly eedf6533e00b577f31b69e6ee54e1cfdc9817fc9]]
Former-commit-id: 4ce963de4332e538daad701d9d29b945ae672c24
Former-commit-id: a24ae8e0a6c31923e22bd5fd3172a517c68f5079
gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine