Remove NDB test suites from default-test-suites in MTR.

mysql-test/mysql-test-run.pl

@@ -162,7 +162,7 @@ our $opt_vs_config = $ENV{'MTR_VS_CONFIG'};
 
 # If you add a new suite, please check TEST_DIRS in Makefile.am.
 #
-my $DEFAULT_SUITES= "main,sys_vars,binlog,federated,rpl,rpl_ndb,ndb,innodb,perfschema";
+my $DEFAULT_SUITES= "main,sys_vars,binlog,federated,rpl,innodb,perfschema";
 my $opt_suites;
 
 our $opt_verbose= 0;  # Verbose output, enable with --verbose