[c10d] Remove verbose log (#59070)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/59070
This log is too verbose, especially in the case we call monitored
barrier before every collective as we do in ProcessGroupWrapper.
ghstack-source-id: 130052822
Test Plan: CI
Reviewed By: SciPioneer
Differential Revision: D28738189
fbshipit-source-id: f2899537caa4c13508da31134d5dd0f4fd6a1f3a
