Fix install-scripts, and bundle relay list

mullvad-vpn-daemon/mullvad-vpn-daemon.pre-upgrade

@@ -1,7 +1,9 @@
 #!/usr/bin/env bash
 set -eu
 
+# Are we running systemd?
 if which systemctl &> /dev/null && systemctl is-system-running | grep -vq offline &> /dev/null; then
+    # Is `mullvad-daemon.service` running?
     if systemctl status mullvad-daemon &> /dev/null; then
         mullvad-setup prepare-restart || true
         systemctl stop mullvad-daemon.service
@@ -12,5 +14,5 @@ if which systemctl &> /dev/null && systemctl is-system-running | grep -vq offlin
     fi
 fi
 
-rm -f /var/cache/mullvad-vpn/relays.json
+# Since we are upgrading mullvad-daemon, it will probably have current IP baked into itself.
 rm -f /var/cache/mullvad-vpn/api-ip-address.txt