Revert "[C10D] Add ProcessGroup op_id to track ops inside coalescing region (#120745)"
This reverts commit 381a7ad3f1cd38bf8e814ae9d275f101a2136139.
Reverted https://github.com/pytorch/pytorch/pull/120745 on behalf of https://github.com/kit1980 due to The new test fails internally, see D54343421 ([comment](https://github.com/pytorch/pytorch/pull/120745#issuecomment-1972047106))
