Revert D35254715: [pkg] add zipfile unit tests
Test Plan: revert-hammer
Differential Revision:
D35254715 (https://github.com/pytorch/pytorch/commit/93e650b8f7bd582746f12a0a1f0b94d76cce5e32)
Original commit changeset: bda862cc6df8
Original Phabricator Diff: D35254715 (https://github.com/pytorch/pytorch/commit/93e650b8f7bd582746f12a0a1f0b94d76cce5e32)
fbshipit-source-id: b77c4e14e730b6170e89a919bd2ea9e0e7561834
(cherry picked from commit afbf36ffe72bd7e0fa7c9730e61e5794ef0c88eb)
