Post-fix merge 5-1 --> 5.1-rpl. Changed mysqlcheck.result.

Note that this result set is different from that in 6.0/6.0-rpl.

mysql-test/r/mysqlcheck.result

@@ -4,10 +4,6 @@ drop database if exists client_test_db;
 mtr.global_suppressions                            OK
 mtr.suspicious_patterns                            OK
 mtr.test_suppressions                              OK
-mysql.backup_history
-note     : The storage engine for the table doesn't support optimize
-mysql.backup_progress
-note     : The storage engine for the table doesn't support optimize
 mysql.columns_priv                                 OK
 mysql.db                                           OK
 mysql.event                                        OK
@@ -33,10 +29,6 @@ mysql.time_zone_name                               OK
 mysql.time_zone_transition                         OK
 mysql.time_zone_transition_type                    OK
 mysql.user                                         OK
-mysql.backup_history
-note     : The storage engine for the table doesn't support optimize
-mysql.backup_progress
-note     : The storage engine for the table doesn't support optimize
 mysql.columns_priv                                 OK
 mysql.db                                           OK
 mysql.event                                        OK