removed nrml example instance file
removed nrml example instance file


Former-commit-id: 8d417f32e836211bb43c7a2c45f43d2736fa6de1 [formerly 555783689a793289bf17ed8adcfa8189d1e97b4a]
Former-commit-id: 768eca59cfe9e529dbf5bb9bd7615a158c8bb8f9
gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine