Revert "Adding pin_memory kwarg to zeros, ones, empty,... (#18854)
Summary:
This reverts commit c484cf43a02863efd2f4a76aad43246fb0191ab5.
Pull Request resolved: https://github.com/pytorch/pytorch/pull/18854
Differential Revision: D14778393
Pulled By: VitalyFedyunin
fbshipit-source-id: 4b5a1f5b1c091bbc4a8e75614734cc011d26b452
