update plugin to find all places where we are unconditionally deleting
stuff in a destructor

Change-Id: Ia0fedc2420c7717ed2bdd8d3bb00262d2a63e0bc
Reviewed-on: https://gerrit.libreoffice.org/47724Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>