'Unsave a link or comment.
This removes the thing from the user\'s saved listings as well.
See also: [/api/save](#POST_api_save).'

@require_oauth2_scope('save')
@noresponse(VUser(), VModhash(), thing=VByName('id'))
@api_doc(api_section.links_and_comments)
def POST_unsave(self, thing):

    if ((not thing) or (not isinstance(thing, (Link, Comment)))):
        abort(400)
    thing._unsave(c.user)
