Changed get_pmap_from_csv to extract the hazard levels from the risk levels always [skip hazardlib]
Changed get_pmap_from_csv to extract the hazard levels from the risk levels always [skip hazardlib]


Former-commit-id: 884ddfb5160c5f9e94af229b5e85533dc6868105
gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine