Revert "[torch export][serialize] create a more compact stacktrace format for serialization (#121675)"
This reverts commit eae89138d891d0310483c4d86dcb69b16de0a6b5.
Reverted https://github.com/pytorch/pytorch/pull/121675 on behalf of https://github.com/jeanschmidt due to It seems that this PR broke lint jobs, I am reverting to confirm if this is the case ([comment](https://github.com/pytorch/pytorch/pull/121675#issuecomment-2007919486))
