Revert "Upgrade NVTX to NVTX3 (#90689)"
This reverts commit e64ddd1ab9d46cfc921c19269969ffc5cd7d6f6c.
Reverted https://github.com/pytorch/pytorch/pull/90689 on behalf of https://github.com/osalpekar due to Build Failures due to not being able to find one nvtx3 header in FRL jobs: [D42332540](https://www.internalfb.com/diff/D42332540)
