'Remove a rule and update priorities of remaining rules.'

@classmethod
def remove_rule(self, subreddit, short_name):

    self._remove(subreddit._id36, [short_name])
    rules = self.get_rules(subreddit)
    blobs = {}
    for (index, rule) in enumerate(rules):
        if (rule['priority'] != index):
            blobs.update(self.get_rule_blob(short_name=rule['short_name'], description=rule['description'], priority=index, kind=rule.get('kind'), created_utc=rule['created_utc']))
    self._set_values(subreddit._id36, blobs)
