Add type hints for the federation sender. (#9681)

Includes an abstract base class which both the FederationSender
and the FederationRemoteSendQueue must implement.

1 files changed, 0 insertions, 7 deletions

diff --git a/synapse/app/generic_worker.py b/synapse/app/generic_worker.py

index 6139881dbb..3df2aa5c2b 100644
--- a/synapse/app/generic_worker.py
+++ b/synapse/app/generic_worker.py
@@ -787,13 +787,6 @@ class FederationSenderHandler:
 
         self._fed_position_linearizer = Linearizer(name="_fed_position_linearizer")
 
-    def on_start(self):
-        # There may be some events that are persisted but haven't been sent,
-        # so send them now.
-        self.federation_sender.notify_new_events(
-            self.store.get_room_max_stream_ordering()
-        )
-
     def wake_destination(self, server: str):
         self.federation_sender.wake_destination(server)