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

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.

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