Deletes a directory from the namespace. The directory must be empty
 and the master replica must be the only remaining replica of it in
 the namespace.  Use the delete replica command if you need to remove
 read-only replicas.

 SYNOPSIS

      DELETE DIRECTORY directory-name

 Argument

 directory-name

 The full name of the directory.

 ACCESS RIGHTS
 You need write access to the clearinghouse that stores the master
 replica of the directory and delete access to the directory itself.