Merge pull request #5863 from edwintorok/private/edvint/epoll4.0-drop

[epoll] CP-47536: Drop posix_channel and channel_helper: unused and a mix of …

Author: edwintorok

ocaml/xapi-idl/README.md

@@ -10,7 +10,6 @@ This repository contains
      * argument parsing
      * RPCs
   3. The following CLI tools for debugging:
-     * lib/channel_helper.exe -- a channel passing helper CLI
      * memory/memory_cli.exe -- a squeezed debugging CLI
      * v6/v6_cli.exe -- a V6d debugging CLI
      * cluster/cluster_cli.exe -- a xapi-clusterd debugging CLI