pytorch

22a718b4 - [LTC] Restore LazyTensor() = delete (#91426)

[LTC] Restore LazyTensor() = delete (#91426) Summary: XLA's LTC migration is completed. Let's restore some hacks. Test Plan: CI. Pull Request resolved: https://github.com/pytorch/pytorch/pull/91426 Approved by: https://github.com/JackCaoG