Cleanup the unused files in the root directory (#1819)
Summary:
Clean up the unused run scripts in the root directory.
Now all scripts that "sweep through models and collect metrics" should be implemented as userbenchmark.
Test upgraded numpy version on nightly docker build:
https://github.com/pytorch/benchmark/actions/runs/5823289368
Pull Request resolved: https://github.com/pytorch/benchmark/pull/1819
Reviewed By: FindHao
Differential Revision: D48229239
Pulled By: xuzhao9
fbshipit-source-id: c08b516a88e5f51cd89b1d3d1a55f0deea5844b3
