Drop unused tables & unneeded access token ID for events. (#16268)

Drop the event_txn_id table and the tables related to MSC2716,
which is no longer supported in Synapse.

1 files changed, 2 insertions, 6 deletions

diff --git a/synapse/handlers/message.py b/synapse/handlers/message.py

index 44dbbf81dd..d0d4626ed6 100644
--- a/synapse/handlers/message.py
+++ b/synapse/handlers/message.py
@@ -693,13 +693,9 @@ class EventCreationHandler:
         if require_consent and not is_exempt:
             await self.assert_accepted_privacy_policy(requester)
 
-        # Save the access token ID, the device ID and the transaction ID in the event
-        # internal metadata. This is useful to determine if we should echo the
-        # transaction_id in events.
+        # Save the the device ID and the transaction ID in the event internal metadata.
+        # This is useful to determine if we should echo the transaction_id in events.
         # See `synapse.events.utils.EventClientSerializer.serialize_event`
-        if requester.access_token_id is not None:
-            builder.internal_metadata.token_id = requester.access_token_id
-
         if requester.device_id is not None:
             builder.internal_metadata.device_id = requester.device_id