event_trigger_unregister
extern void event_trigger_unregister(struct event_command *cmd_ops,
event_trigger_unregister(cmd_ops, file, glob+1, trigger_data);
event_trigger_unregister(cmd_ops, file, glob+1, trigger_data);
event_trigger_unregister(cmd_ops, file, glob+1, trigger_data);
event_trigger_unregister(cmd_ops, file, glob+1, trigger_data);