[InterNetNews/inn] 008cab: expire.ctl: Document what does 0 in /remember/ line

[Julien ÉLIE]

  Branch: refs/heads/2.6
  Home:   https://github.com/InterNetNews/inn
  Commit: 008cab8d132fc0e1eecef67a29dea1abab6de0ea
      https://github.com/InterNetNews/inn/commit/008cab8d132fc0e1eecef67a29dea1abab6de0ea
  Author: Julien ÉLIE <Julien-Elie at users.noreply.github.com>
  Date:   2022-01-22 (Sat, 22 Jan 2022)

  Changed paths:
    M doc/pod/expire.ctl.pod

  Log Message:
  -----------
  expire.ctl: Document what does 0 in /remember/ line

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