Make some packager.sh operations synchronous and remove unused logs [skip ci]
Make some packager.sh operations synchronous
and remove unused logs [skip ci]


Former-commit-id: 7b71d7cd4f103c30db692267b0484d1b9d6bea43
gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine