def clear_transaction_frames(self, connection, transaction):
try:<EOL><INDENT>del self.transaction_frames[connection][transaction]<EOL><DEDENT>except KeyError:<EOL><INDENT>pass<EOL><DEDENT>
Clears out the queued ACK frames for specified transaction. 

        @param connection: The client connection that committed the transaction.
        @type connection: L{coilmq.server.StompConnection}

        @param transaction: The transaction id (which was committed).
        @type transaction: C{str}