GHA/linux-old: stop installing `groff`, it is unused

diff --git a/.github/workflows/linux-old.yml b/.github/workflows/linux-old.yml
index 64958f4bd61ccedc33a6f8c1721a65c701bdf0ae..59da60987c96ac788dab5898772cb0e30da9cd9e 100644 (file)
--- a/.github/workflows/linux-old.yml
+++ b/.github/workflows/linux-old.yml
@@ -72,7 +72,7 @@ jobs:
           dpkg -i freexian-archive-keyring_2022.06.08_all.deb
           echo 'deb http://deb.freexian.com/extended-lts stretch-lts main contrib non-free' | tee /etc/apt/sources.list.d/extended-lts.list
           apt-get -o Dpkg::Use-Pty=0 update
-          apt-get -o Dpkg::Use-Pty=0 install -y --no-install-suggests --no-install-recommends cmake make automake autoconf libtool gcc pkg-config libpsl-dev libzstd-dev zlib1g-dev libc-ares-dev libkrb5-dev libldap2-dev librtmp-dev stunnel4 groff
+          apt-get -o Dpkg::Use-Pty=0 install -y --no-install-suggests --no-install-recommends cmake make automake autoconf libtool gcc pkg-config libpsl-dev libzstd-dev zlib1g-dev libc-ares-dev libkrb5-dev libldap2-dev librtmp-dev stunnel4
           # GitHub's actions/checkout needs newer glibc and libstdc++. The latter also depends on
           # gcc-8-base, but it does not actually seem used in our situation and is not available in
           # the main repo, so force the install.