pytorch

a5fb41e3 - Revert "Revert "Refactored prim utils into _prims_utils folder (#81746)

Revert "Revert "Refactored prim utils into _prims_utils folder (#81746) Pull Request resolved: https://github.com/pytorch/pytorch/pull/81746 Approved by: https://github.com/anijain2305, https://github.com/Krovatkin