remove unused pushChanges

oml/nodes.py

@@ -283,16 +283,6 @@ class Node(Thread):
             r = Changelog.apply_changes(u, changes)
             return r
 
-    def pushChanges(self, changes):
-        logger.debug('pushing changes to %s %s', self.user_id, changes)
-        if self.online:
-            try:
-                r = self.request('pushChanges', changes)
-            except:
-                self.online = False
-                r = False
-            logger.debug('pushedChanges %s %s', r, self.user_id)
-
     def peering(self, action):
         with db.session():
             u = user.models.User.get_or_create(self.user_id)