Revert D25325039: Check CUDA kernel launches (/fbcode/caffe2/)
Test Plan: revert-hammer
Differential Revision:
D25325039 (https://github.com/pytorch/pytorch/commit/f5e9ffbc279626ad8cabda49eed91dbe6399d3c4)
Original commit changeset: 2043d6e63c7d
fbshipit-source-id: 5377dd2aa7c6f58c8641c956b7642c7c559bbc40
