[InterNetNews/inn] 48c7de: Remove useless information about the test suite API

[Julien ÉLIE]

  Branch: refs/heads/2.6
  Home:   https://github.com/InterNetNews/inn
  Commit: 48c7deb5571ec48ed95991625321e6d782e2056d
      https://github.com/InterNetNews/inn/commit/48c7deb5571ec48ed95991625321e6d782e2056d
  Author: Julien ÉLIE <Julien-Elie at users.noreply.github.com>
  Date:   2022-01-22 (Sat, 22 Jan 2022)

  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