The underlying issue seems to be fixed, so let's drop the now obsolete
Introduced in 65be7042a8
LGTM was upgraded to Ubuntu Eoan, so the meson there is pretty new.
Also, the pip command didn't work anyway, since it didn't attempt to
update the previously installed meson.
`/tmp` has `noexec` set in the LGTM infrastructure which breaks meson's
compilation checks. Let's use `/var/tmp` for now, until the issue is
Let's make sure we can test systemd-repart properly
(And while we are at it, also test cryptsetup-pkcs#11)