[AIR] Remove `Checkpoint._object_ref`#31777

Merged

amogkam merged 5 commits intoray-project:masterfrom bveeramani:remove-object-ref

Jan 24, 2023

+7-26

Commits on Jan 19, 2023

Commits on Jan 20, 2023

Merge remote-tracking branch 'upstream/master' into remove-object-ref
bveeramani
committed