public void unregisterTaskDef(String taskType) {
        Validate.notBlank(taskType, "Task type cannot be blank");
        delete("metadata/taskdefs/{tasktype}", taskType);
    }
Removes the task definition of a task type from the conductor server. Use with caution.

@param taskType Task type to be unregistered.
client/src/main/java/com/netflix/conductor/client/http/MetadataClient.java