fix typo of mariadb binlog checkpoint (julien-duponchelle#459)

Author: jaehyeonpy

pymysqlreplication/packet.py

@@ -87,7 +87,6 @@ class BinLogPacketWrapper(object):
         constants.PREVIOUS_GTIDS_LOG_EVENT: event.NotImplementedEvent,
         # MariaDB GTID
         constants.MARIADB_ANNOTATE_ROWS_EVENT: event.MariadbAnnotateRowsEvent,
-        constants.MARIADB_BINLOG_CHECKPOINT_EVENT: event.NotImplementedEvent,
         constants.MARIADB_BINLOG_CHECKPOINT_EVENT: event.MariadbBinLogCheckPointEvent,
         constants.MARIADB_GTID_EVENT: event.MariadbGtidEvent,
         constants.MARIADB_GTID_GTID_LIST_EVENT: event.MariadbGtidListEvent,