Remove more useless includes of tools/debug.hxx

Change-Id: If289dcbff125ac0088f01b5c9752f9f3173585dc
Reviewed-on: https://gerrit.libreoffice.org/11020
Reviewed-by: David Tardon <dtardon@redhat.com>
Tested-by: David Tardon <dtardon@redhat.com>