Revert D34178476: Update lazy_ir.py from lazy_tensor_staging
Test Plan: revert-hammer
Differential Revision:
D34178476 (https://github.com/pytorch/pytorch/commit/3842140fd5eb6dcb7eaab5628a79a9093aac5a24)
Original commit changeset: 7190b2e0d82b
Original Phabricator Diff: D34178476 (https://github.com/pytorch/pytorch/commit/3842140fd5eb6dcb7eaab5628a79a9093aac5a24)
fbshipit-source-id: 4c969a355f01244c6f5acc52bc31679f2182aa55
(cherry picked from commit 17082075ddc6bae93981d95eb4512856c3f91bb1)
