aligned preinst cleanup directories with new filesystem layout
aligned preinst cleanup directories with new filesystem layout


Former-commit-id: f359f64522adbc5551bf520abb86336ed333f8ae [formerly f359f64522adbc5551bf520abb86336ed333f8ae [formerly a3d6d92a01cbb0c0b0ba9bc263c48db0d90f9319]]
Former-commit-id: 9ccabb4b915e74f40c3802f84f8b22de14b090e1
Former-commit-id: 2e3d998da7e7d97d43d49006036abe015753ea7d
gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine