Revert D26232345: [pytorch][PR] Report test time regressions
Test Plan: revert-hammer
Differential Revision:
D26232345 (https://github.com/pytorch/pytorch/commit/7467f90b131ab28340d1b6c1f565fc4291424af1)
Original commit changeset: b687b1737519
fbshipit-source-id: 10a031c5500b083f7c82f2ae2743b671c5a07bff