Remove confirm_share_allocation from interface (unused).

src/allmydata/immutable/upload.py

@@ -388,9 +388,6 @@ class PeerSelector(object):
     def add_peers(self, peerids=None):
         raise NotImplementedError
 
-    def confirm_share_allocation(self, peerid, shnum):
-        raise NotImplementedError
-
 
 class _QueryStatistics(object):
 

src/allmydata/interfaces.py

@@ -860,12 +860,6 @@ class IPeerSelector(Interface):
         peer selection begins.
         """
 
-    def confirm_share_allocation(peerid, shnum):
-        """
-        Confirm that an allocated peer=>share pairing has been
-        successfully established.
-        """
-
     def add_peers(peerids=set):
         """
         Update my internal state to include the peers in peerids as