Revert D28961233: [pytorch][PR] Adding run-specified-test-cases option in run_test.py
Test Plan: revert-hammer
Differential Revision:
D28961233 (https://github.com/pytorch/pytorch/commit/a6c9483c2f65e35a01bd5649caf45903f3c6845d)
Original commit changeset: 6b7ddc6e6185
fbshipit-source-id: 4f8471df987a03d5c928a04f989d5d43f9cc47e9