Remove experimental c10 ops (#36394)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/36394
Those are remains from the time when c10 was being constructed. They've fulfilled their goal of making sure that the c10 library supports all needed corner cases and those corner cases are now covered by actual ops. We don't need these experimental ops anymore.
ghstack-source-id: 101933837
Test Plan: CI
Differential Revision: D20965279
fbshipit-source-id: ff46f2482ff58ca3fa955288083b12ec2066938e
