Cleanup devbig related code. (#702)
Summary:
The devbig server is now retired and we can remove related code from the repo.
Pull Request resolved: https://github.com/pytorch/benchmark/pull/702
Reviewed By: erichan1
Differential Revision: D33669703
Pulled By: xuzhao9
fbshipit-source-id: b57771975c5c38987710934ebe2547aa0e44eb9b
