Removed the .asset_sites attribute from the bridge, thus saving a lot of pickling/unpickling
Removed the .asset_sites attribute from the bridge, thus saving a lot of pickling/unpickling


Former-commit-id: 55f1560dd258d242d4253d4d1454296178dc3b33 [formerly 6f65ad0d0de2f4fa0b6f5d8ff4a1714b8395f98c]
Former-commit-id: 2e0d4dbc337cfea1ef12380f04ee3d40632129d1
gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine,gem/oq-engine