GitLab

* [Draft] Refactor model offload

* [Draft] Refactor model offload

* Apply suggestions from code review

* cpu offlaod updates

* remove model cpu offload from individual pipelines

* add hook to offload models to cpu

* clean up

* model offload

* add model cpu offload string

* make style

* clean up

* fixes for offload issues

* fix tests issues

* resolve merge conflicts

* update src/diffusers/pipelines/pipeline_utils.py
Co-authored-by: Patrick von Platen <patrick.v.platen@gmail.com>

* make style

* Update src/diffusers/pipelines/latent_diffusion/pipeline_latent_diffusion.py

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Co-authored-by: Dhruv Nair <dhruv.nair@gmail.com>