Don't try to use a txn when not in one, remove spurious debug logging

synapse/push/__init__.py

@@ -287,8 +287,6 @@ class Pusher(object):
                 logger.warn("Neither notify nor dont_notify in actions: adding default")
                 actions.extend(Pusher.DEFAULT_ACTIONS)
 
-            logger.info("FNARG: %r", actions)
-
             if 'dont_notify' in actions:
                 logger.debug(
                     "%s for %s: dont_notify",

synapse/storage/push_rule.py

@@ -218,9 +218,7 @@ class PushRuleStore(SQLBaseStore):
             {'enabled': 1 if enabled else 0},
             desc="set_push_rule_enabled",
         )
-        txn.call_after(
-            self.get_push_rules_enabled_for_user.invalidate, user_name
-        )
+        self.get_push_rules_enabled_for_user.invalidate(user_name)
 
 
 class RuleNotFoundException(Exception):