Remove C++11 compatibility from c10::util::crc64_t (#30920)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/30920
deletecode
ghstack-source-id: 95255641
Test Plan: waitforsandcastle
Differential Revision: D18869640
fbshipit-source-id: c3d7f4e1a29caff9fd8a8141c258f6f1c3fd830c
