[PyTorch][easy] Move GlobalRecordFunctionCallbacks{,Entry} to cpp file (#68483)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/68483
Doesn't need to be in the header.
ghstack-source-id: 145668417
Test Plan: CI
Reviewed By: chaekit
Differential Revision: D32477113
fbshipit-source-id: 30e7796413e3220e4051544559f9110ab745022d
