pytorch

8a6a1261 - [FSDP][BE] Split state_dict related hooks to a separate file to reduce development conflicts (#87421)

[FSDP][BE] Split state_dict related hooks to a separate file to reduce development conflicts (#87421) This PR does following two things to improve the code quality. 1. Split state_dict related hooks to a separate file to reduce development conflicts. 2. Remove unused APIs. Pull Request resolved: https://github.com/pytorch/pytorch/pull/87421 Approved by: https://github.com/rohan-varma