Don't create pods/container when registering systemd unit

Signed-off-by: Winston <44872771+winston-yallow@users.noreply.github.com>

podman_compose.py

@@ -2122,8 +2122,6 @@ async def compose_systemd(compose, args):
                     f.write(f"{k}={v}\n")
         log.debug("writing [%s]: done.", fn)
         log.info("\n\ncreating the pod without starting it: ...\n\n")
-        process = await asyncio.create_subprocess_exec(script, ["up", "--no-start"])
-        log.info("\nfinal exit code is %d", process)
         username = getpass.getuser()
         print(
             f"""