NAME
        KBD_REMRESETHANDLER -- remove a keyboard reset handler.

   FUNCTION
        remove a function previously added to the list of reset
        handler functions with kbd_addresethandler.

   IO REQUEST
        io_Message      mn_ReplyPort set
        io_Device       preset by opendevice
        io_Unit         preset by opendevice
        io_Command      KBD_REMRESETHANDLER
        io_Data         a pointer to the handler interrupt structure.