Stop writing to `event_reference_hashes` (#12679)

This table is never read, since #11794. We stop writing to it; in future we can
drop it altogether.

1 files changed, 0 insertions, 9 deletions

diff --git a/tests/storage/test_event_federation.py b/tests/storage/test_event_federation.py

index 645d564d1c..d92a9ac5b7 100644
--- a/tests/storage/test_event_federation.py
+++ b/tests/storage/test_event_federation.py
@@ -58,15 +58,6 @@ class EventFederationWorkerStoreTestCase(tests.unittest.HomeserverTestCase):
                 (room_id, event_id),
             )
 
-            txn.execute(
-                (
-                    "INSERT INTO event_reference_hashes "
-                    "(event_id, algorithm, hash) "
-                    "VALUES (?, 'sha256', ?)"
-                ),
-                (event_id, bytearray(b"ffff")),
-            )
-
         for i in range(0, 20):
             self.get_success(
                 self.store.db_pool.runInteraction("insert", insert_event, i)