remove THC dist code which nerver be used (#33283)
Summary:
Remove THC dist code which nerver be used.
Pull Request resolved: https://github.com/pytorch/pytorch/pull/33283
Differential Revision: D19905361
Pulled By: gchanan
fbshipit-source-id: 367fd31e2209d36b30af31511554fdbdd67c98e4
