[PyTorch] Remove buggy ExclusivelyOwnedTraits<intrusive_ptr<T>> (#70647)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/70647
It wasn't checking for the null state and it wasn't used.
ghstack-source-id: 146819525
Test Plan: CI
Reviewed By: hlu1
Differential Revision: D33414728
fbshipit-source-id: 7fcd648577cbfc35320c5c3ca9a19a14bd4d6858
