[InterNetNews/inn] fc65e4: Remove useless information about the test suite API

[Julien ÉLIE]

  Branch: refs/heads/main
  Home:   https://github.com/InterNetNews/inn
  Commit: fc65e4d30a50c947cc688e47af403ab1cddb3506
      https://github.com/InterNetNews/inn/commit/fc65e4d30a50c947cc688e47af403ab1cddb3506
  Author: Julien ÉLIE <Julien-Elie at users.noreply.github.com>
  Date:   2021-12-19 (Sun, 19 Dec 2021)

  Changed paths:
    M support/getrra-c-util
    M tests/lib/fakewrite.c
    M tests/lib/xmalloc.c

  Log Message:
  -----------
  Remove useless information about the test suite API

fakewrite and xmalloc helpers do not need it