Remove unused simple_insert_many_txn.

synapse/storage/database.py

@@ -933,41 +933,6 @@ def simple_insert_txn(
 
         txn.execute(sql, vals)
 
-    @staticmethod
-    def simple_insert_many_txn(
-        txn: LoggingTransaction, table: str, values: List[Dict[str, Any]]
-    ) -> None:
-        """Executes an INSERT query on the named table.
-
-        The input is given as a list of dicts, with one dict per row.
-        Generally simple_insert_many_values_txn should be preferred for new code.
-
-        Args:
-            txn: The transaction to use.
-            table: string giving the table name
-            values: dict of new column names and values for them
-        """
-        if not values:
-            return
-
-        # This is a *slight* abomination to get a list of tuples of key names
-        # and a list of tuples of value names.
-        #
-        # i.e. [{"a": 1, "b": 2}, {"c": 3, "d": 4}]
-        #         => [("a", "b",), ("c", "d",)] and [(1, 2,), (3, 4,)]
-        #
-        # The sort is to ensure that we don't rely on dictionary iteration
-        # order.
-        keys, vals = zip(
-            *(zip(*(sorted(i.items(), key=lambda kv: kv[0]))) for i in values if i)
-        )
-
-        for k in keys:
-            if k != keys[0]:
-                raise RuntimeError("All items must have the same keys")
-
-        return DatabasePool.simple_insert_many_values_txn(txn, table, keys[0], vals)
-
     async def simple_insert_many_values(
         self,
         table: str,