Prune stubbed out code

gratipay/models/package/__init__.py

@@ -1,7 +1,6 @@
 # -*- coding: utf-8 -*-
 from __future__ import absolute_import, division, print_function, unicode_literals
 
-from gratipay.models.team import Team
 from postgres.orm import Model
 
 
@@ -37,37 +36,3 @@ def from_names(cls, package_manager, name):
         """
         return cls.db.one("SELECT packages.*::packages FROM packages "
                           "WHERE package_manager=%s and name=%s", (package_manager, name))
-
-
-    def set_team(self, team):
-        """Set team for a package.
-        """
-        if not isinstance(team, Team):
-            raise NotAllowed("Not a team!")
-        elif team.is_closed:
-            raise NotAllowed("team is closed")
-        elif not team.is_approved:
-            raise NotAllowed("team not approved")
-        package_id = self.id
-        slug = team.slug
-        with self.db.get_cursor() as c:
-            # TODO add event
-            c.run("""
-                UPDATE packages
-                   SET team=%(slug)s
-                 WHERE id=%(package_id)s
-            """, locals())
-        self.set_attributes(team=team)
-
-    def set_payment_instruction(self, participant, amount):
-        team_id = self.team_id
-        if team_id:
-            team = Team.from_id(team_id)
-            participant.set_payment_instruction(team, amount)
-        else:
-            # TODO Add to pledges when we introduce it.
-            pass
-
-
-class NotAllowed(Exception):
-    pass