[faiproject/fai] f46a18: do not create ps files

[Mrfai]

  Branch: refs/heads/master
  Home:   https://github.com/faiproject/fai
  Commit: f46a181e5f0697c5f114a3d1b9ab98c703f7ed17
      https://github.com/faiproject/fai/commit/f46a181e5f0697c5f114a3d1b9ab98c703f7ed17
  Author: Thomas Lange <lange at debian.org>
  Date:   2023-04-03 (Mon, 03 Apr 2023)

  Changed paths:
    M doc/Makefile

  Log Message:
  -----------
  do not create ps files


  Commit: 80e5d44bc8aada63febbe9a85aa9fe7c3bc61ab6
      https://github.com/faiproject/fai/commit/80e5d44bc8aada63febbe9a85aa9fe7c3bc61ab6
  Author: Thomas Lange <lange at debian.org>
  Date:   2023-04-12 (Wed, 12 Apr 2023)

  Changed paths:
    M lib/subroutines

  Log Message:
  -----------
  handle FAI_LOGPROTO=none


Compare: https://github.com/faiproject/fai/compare/2f2e63b0dbe9...80e5d44bc8aa