pytorch

a9953a5e - Remove unused c10/util/C++17.h inclusion and outdated checks (#120149)

Remove unused c10/util/C++17.h inclusion and outdated checks (#120149) This is a continued work to clean up pre-C++17 code. Pull Request resolved: https://github.com/pytorch/pytorch/pull/120149 Approved by: https://github.com/ezyang