Remove groups replication code. (#12900)

The replication logic for groups is no longer used, so the message
passing infrastructure can be removed.

1 files changed, 0 insertions, 5 deletions

diff --git a/synapse/replication/tcp/client.py b/synapse/replication/tcp/client.py

index a52e25c1af..2f59245058 100644
--- a/synapse/replication/tcp/client.py
+++ b/synapse/replication/tcp/client.py
@@ -30,7 +30,6 @@ from synapse.replication.tcp.protocol import ClientReplicationStreamProtocol
 from synapse.replication.tcp.streams import (
     AccountDataStream,
     DeviceListsStream,
-    GroupServerStream,
     PushersStream,
     PushRulesStream,
     ReceiptsStream,
@@ -185,10 +184,6 @@ class ReplicationDataHandler:
             self.notifier.on_new_event(
                 StreamKeyType.DEVICE_LIST, token, rooms=all_room_ids
             )
-        elif stream_name == GroupServerStream.NAME:
-            self.notifier.on_new_event(
-                "groups_key", token, users=[row.user_id for row in rows]
-            )
         elif stream_name == PushersStream.NAME:
             for row in rows:
                 if row.deleted: