Revert D28913223: [pytorch][PR] Adding run-specified-test-cases option in run_test.py
Test Plan: revert-hammer
Differential Revision:
D28913223 (https://github.com/pytorch/pytorch/commit/24432eaa2964728b1cb4d46b2750eed59d41664c)
Original commit changeset: 0d1f99109734
fbshipit-source-id: 47c073720cff23a5d4cb64556381c46025e90937
