Usage: channeldelperm cid=123 [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 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
