engine2:
engine2:

Removed `--force-inputs` references in engine2, as well as `_identical_input`.


Former-commit-id: 4ea5974eae4e459518e61daed5237dff39790f47 [formerly ebd450c9aac41616944eb2a16d87b0ab5d1de404]
Former-commit-id: 4dccd4308306d1d0b7e3289ed74d445a836eb9bc
gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine