Revert "loplugin:useuniqueptr in lcl_UpdateLinksInSect"
This reverts commit 9abbe6746c.
No point in use std::unique_ptr, sometimes pPam points to something
we want to delete, sometimes it does not.
Change-Id: I37e9871b8d5d836b7e52b5b8a5a7c572d92487f5
Reviewed-on: https://gerrit.libreoffice.org/74449
Tested-by: Jenkins
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>