Deletes one member from an existing group.

 SYNOPSIS

      REMOVE GROUP group-name MEMBER[=] principal [AS GROUP]

 Arguments

 group-name

 The full name of a group.

 principal

 The principal who is being deleted from the group. You can specify a
 principal as an individual name in the format, nodename.username, or
 as a collection of principals denoted with wildcards (for example,
 .org.name*). To specify a DNS Version 1-style principal, use the
 format nodename::username. Use the phrase as group to specify that
 the member you are removing is itself a group.

 ACCESS RIGHTS
 You must have write access to the group from which you are removing
 a member.