sql: Change trigger syntax for MySQL 5 database

The syntax for multiple triggers for the same event and table works for
MySQL 8 databases but is not accepted for MySQL 5 databases.

Refactor the statements from the `mxq_udpate_job2` trigger into the
`mxq_update_job`trigger.

mysql/create_trigger.sql

@@ -134,19 +134,15 @@ CREATE TRIGGER mxq_update_job BEFORE UPDATE ON mxq_job
                 WHERE group_id = NEW.group_id;
             END IF;
         END IF;
-    END;
-|
-
-DROP TRIGGER IF EXISTS mxq_update_job2|
-CREATE TRIGGER mxq_update_job2 BEFORE UPDATE ON mxq_job
-    FOR EACH ROW FOLLOWS mxq_update_job
         IF NEW.job_status = 0 AND NEW.job_cancelled THEN
             SET NEW.job_status = 990;                     -- CANCELLED
             UPDATE mxq_group SET
                 group_jobs_inq = group_jobs_inq - 1,
                 group_jobs_cancelled = group_jobs_cancelled + 1
                 WHERE group_id = NEW.group_id;
         END IF;
+    END;
 |
+
 DELIMITER ;
 UNLOCK TABLES;