Usage: channeldelperm cid=123 [permid={permID}...] [permsid={permName}...]

Removes a set of specified permissions from a channel. Multiple permissions 
can be removed at once. A permission can be specified by permid or permsid.

Example:
   channeldelperm cid=16 permid=17276|permid=21415
   error id=0 msg=ok