Merge pull request #167019 from NixOS/fix/systemd-env

nixos/stage-2-init: Don't clear environment

Changed files
+1 -1
nixos
modules
system
+1 -1
nixos/modules/system/boot/stage-2-init.sh
···
# Start systemd in a clean environment.
echo "starting systemd..."
-
exec env - @systemdExecutable@ "$@"
+
exec @systemdExecutable@ "$@"