Update synapse/storage/databases/main/registration.py

Co-authored-by: Andrew Morgan <1342360+anoadragon453@users.noreply.github.com>

changelog.d/8353.bugfix

@@ -1 +1 @@
-Don't push if an user account has expired.
+Don't send push notifications to expired user accounts.

synapse/storage/databases/main/registration.py

@@ -125,12 +125,10 @@ class RegistrationWorkerStore(SQLBaseStore):
             current_ts: The current timestamp
 
         Returns:
-            Deferred[bool]: whether the user account has expired
+            Whether the user account has expired
         """
         expiration_ts = await self.get_expiration_ts_for_user(user_id)
-        if expiration_ts is not None and current_ts >= expiration_ts:
-            return True
-        return False
+        return expiration_ts is not None and current_ts >= expiration_ts
 
     async def set_account_validity_for_user(
         self,