Update `metadata.yaml` for `squeezenet1_1` (#1980)
Summary:
Changes:
- `squeezenet1_1_train` changed so that it is only skipped on machines used by upstream CI
Pull Request resolved: https://github.com/pytorch/benchmark/pull/1980
Reviewed By: aaronenyeshi
Differential Revision: D50227918
Pulled By: xuzhao9
fbshipit-source-id: e95e7ea1e9eb5b0b886213c57ba5972a375a34c3
