Revert "Add DLPack support for XPU backend by mapping to kDLOneAPI in DLPack. (#81021)"
This reverts commit 8be853025cb9fe7dd165924957b01984b46b9459.
Reverted https://github.com/pytorch/pytorch/pull/81021 on behalf of https://github.com/facebook-github-bot due to Diff reverted internally