Reverts part of "loplugin:useuniqueptr in SbModule"
This reverts commit 263d732569.
because SbClassModuleObject is playing silly buggers with
ownership by messing with fields in its SbModule superclass.
Change-Id: I725332d080663e94b57f4bd4e1fb05aeeddf9038
Reviewed-on: https://gerrit.libreoffice.org/84352
Tested-by: Jenkins
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>