Revert "[HSDP] Add device_mesh to FSDP and add dtensor state_dict support for HSDP (#107533)"
This reverts commit cc220e45a80d7c01a4a58b0f386ca07236a6927a.
Reverted https://github.com/pytorch/pytorch/pull/107533 on behalf of https://github.com/huydhn due to Sorry for reverting this, but it is failing in trunk with the same failure on test_dynamo_distributed https://hud.pytorch.org/pytorch/pytorch/commit/cc220e45a80d7c01a4a58b0f386ca07236a6927a ([comment](https://github.com/pytorch/pytorch/pull/107533#issuecomment-1701983247))
