Usage: channelclientdelperm cid={channelID} cldbid={clientDBID} 
       [permid={permID}...] [permsid={permName}...]

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

Example:
   channelclientdelperm cid=12 cldbid=3 permid=17276|permid=21415
   error id=0 msg=ok