remove [--username=<name>] [--scope=<user/host>] <name> <entity>
--username=<name> : the username of the administrator in the format used by the configuration repository, for example "jmonroe".
--scope=<user/host> : specifies the scope for the policy group, which can either be user or host. If not specified then defaults to user.
<name> : this specifies the name of the policy group in the policy group repository that is assigned to the entity.
<entity>: the name for this entity.
% pgtool remove --username=jmonroe UserPolicyGroup1 cn=Role1,o=staff,o=apoc
User “jmonroe” removed the policy group “UserPolicyGroup1” from the entity “cn=Role1,o=staff,o=apoc”.