Usage: servergroupdelperm sgid={groupID} [permid={permID}...]
       [permsid={permName}...]

Permissions:
  i_group_modify_power
  i_group_needed_modify_power
  i_permission_modify_power

Description:
  Removes a set of specified permissions from the server group specified with
  sgid. Multiple permissions can be removed at once. A permission can be
  specified by permid or permsid.

Example:
  servergroupdelperm sgid=16 permid=17276|permid=21415
  error id=0 msg=ok

  servergroupdelperm sgid=3 permsid=b_virtualserver_modify_maxclients
  error id=0 msg=ok
