cleanup: include/have_rbr_triggers.inc

this is always enabled now,
no need for a conditional

mysql-test/include/have_rbr_triggers.inc

-if (`select count(*) = 0 from information_schema.session_variables where variable_name = 'slave_run_triggers_for_rbr'`)
-{
-  skip RBR triggers are not available;
-}
-

mysql-test/suite/rpl/t/rpl_row_triggers.test

 -- source include/have_binlog_format_row.inc
--- source include/have_rbr_triggers.inc
 -- source include/have_innodb.inc
 -- source include/master-slave.inc
 

mysql-test/suite/sys_vars/r/slave_run_triggers_for_rbr_basic.result

-SET @old_slave_run_triggers_for_rbr= @@global.slave_run_triggers_for_rbr;
-SET @@global.slave_run_triggers_for_rbr= NO;
-select @@global.slave_run_triggers_for_rbr;
-@@global.slave_run_triggers_for_rbr
-NO
-SET @@global.slave_run_triggers_for_rbr= YES;
-select @@global.slave_run_triggers_for_rbr;
-@@global.slave_run_triggers_for_rbr
-YES
-SET @@global.slave_run_triggers_for_rbr= LOGGING;
-select @@global.slave_run_triggers_for_rbr;
-@@global.slave_run_triggers_for_rbr
-LOGGING
-SET @@global.slave_run_triggers_for_rbr= default;
-select @@global.slave_run_triggers_for_rbr;
-@@global.slave_run_triggers_for_rbr
-NO
-SET @@global.slave_run_triggers_for_rbr= 0;
-select @@global.slave_run_triggers_for_rbr;
-@@global.slave_run_triggers_for_rbr
-NO
-SET @@global.slave_run_triggers_for_rbr= 1;
-select @@global.slave_run_triggers_for_rbr;
-@@global.slave_run_triggers_for_rbr
-YES
-SET @@global.slave_run_triggers_for_rbr= 2;
-select @@global.slave_run_triggers_for_rbr;
-@@global.slave_run_triggers_for_rbr
-LOGGING
-SET @@global.slave_run_triggers_for_rbr= 3;
-ERROR 42000: Variable 'slave_run_triggers_for_rbr' can't be set to the value of '3'
-select @@global.slave_run_triggers_for_rbr;
-@@global.slave_run_triggers_for_rbr
-LOGGING
-SET @@global.slave_run_triggers_for_rbr= "N";
-ERROR 42000: Variable 'slave_run_triggers_for_rbr' can't be set to the value of 'N'
-select @@global.slave_run_triggers_for_rbr;
-@@global.slave_run_triggers_for_rbr
-LOGGING
-SET @@global.slave_run_triggers_for_rbr= -1;
-ERROR 42000: Variable 'slave_run_triggers_for_rbr' can't be set to the value of '-1'
-select @@global.slave_run_triggers_for_rbr;
-@@global.slave_run_triggers_for_rbr
-LOGGING
-SET @@global.slave_run_triggers_for_rbr= @old_slave_run_triggers_for_rbr;

mysql-test/suite/sys_vars/t/slave_run_triggers_for_rbr_basic.test

-
--- source include/have_rbr_triggers.inc
-
-SET @old_slave_run_triggers_for_rbr= @@global.slave_run_triggers_for_rbr;
-SET @@global.slave_run_triggers_for_rbr= NO;
-select @@global.slave_run_triggers_for_rbr;
-SET @@global.slave_run_triggers_for_rbr= YES;
-select @@global.slave_run_triggers_for_rbr;
-SET @@global.slave_run_triggers_for_rbr= LOGGING;
-select @@global.slave_run_triggers_for_rbr;
-SET @@global.slave_run_triggers_for_rbr= default;
-select @@global.slave_run_triggers_for_rbr;
-SET @@global.slave_run_triggers_for_rbr= 0;
-select @@global.slave_run_triggers_for_rbr;
-SET @@global.slave_run_triggers_for_rbr= 1;
-select @@global.slave_run_triggers_for_rbr;
-SET @@global.slave_run_triggers_for_rbr= 2;
-select @@global.slave_run_triggers_for_rbr;
---error ER_WRONG_VALUE_FOR_VAR
-SET @@global.slave_run_triggers_for_rbr= 3;
-select @@global.slave_run_triggers_for_rbr;
---error ER_WRONG_VALUE_FOR_VAR
-SET @@global.slave_run_triggers_for_rbr= "N";
-select @@global.slave_run_triggers_for_rbr;
---error ER_WRONG_VALUE_FOR_VAR
-SET @@global.slave_run_triggers_for_rbr= -1;
-select @@global.slave_run_triggers_for_rbr;
-
-
-SET @@global.slave_run_triggers_for_rbr= @old_slave_run_triggers_for_rbr;