pytorch

ce3094f5 - Optim foreach cleanup for Rmsprop (#70482)

Optim foreach cleanup for Rmsprop (#70482) Summary: Pull Request resolved: https://github.com/pytorch/pytorch/pull/70482 Test Plan: Imported from OSS Reviewed By: anjali411 Differential Revision: D33767862 Pulled By: mikaylagawarecki fbshipit-source-id: 8e2e9c986d5a3774093a79755940372945f1b3a9 (cherry picked from commit baea53727711fcc083e1c18641afd1e617c24495)