Fix reference to NO_CUDA and NO_DISTRIBUTED (#34831)
Summary:
- replace the old build variables NO_CUDA and NO_DISTRIBUTED in CONTRIBUTING.md with the new USE_CUDA and USE_DISTRIBUTED versions.
Pull Request resolved: https://github.com/pytorch/pytorch/pull/34831
Differential Revision: D20512659
Pulled By: colesbury
fbshipit-source-id: 2d6cb6fd35886eec0b4b1c94f568b5137407c551