Kill resize-ing and zero-ing from codegen. (#37958)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/37958
All codegen invocations have been removed at this point, so this has no effect.
Test Plan: Imported from OSS
Reviewed By: mrshenli
Differential Revision: D21433215
Pulled By: gchanan
fbshipit-source-id: 1f58f3022fab6443e34f0201ae4b32b2a99725cf
