in the portfolio 2.0 it should be possible to delete binders under "my binders".
the owner of a template can enable the checkbox to delete a binder (by default checkbox is not checked). Warning that now all users can delete the corresponding binder
as soon as the checkbox is enable the user see a trash icon in the overview of his binder. there he can delete his binder.
a dialogue is needed, to warn the user, what he is deleting. it should contain a list of all entries which gonna be deleted. he needs to confirm this list and one more time confirm that he really wants to delete.
the "own" portfolio/binder can be deleted whenever they want to. add an Icon in the binder overview. als 2-3 warnings, that the binder is really deleted
(an automatic export of the deleting binder should be generated.