userdbctl: drop unused variable

src/userdb/userdbctl.c

@@ -1072,13 +1072,9 @@ static int verb_display_services(int argc, char *argv[], uintptr_t _data, void *
         (void) table_set_sort(t, (size_t) 0);
 
         FOREACH_DIRENT(de, d, return -errno) {
-                _cleanup_free_ char *j = NULL, *no = NULL;
+                _cleanup_free_ char *no = NULL;
                 _cleanup_close_ int fd = -EBADF;
 
-                j = path_join("/run/systemd/userdb/", de->d_name);
-                if (!j)
-                        return log_oom();
-
                 fd = socket(AF_UNIX, SOCK_STREAM|SOCK_CLOEXEC|SOCK_NONBLOCK, 0);
                 if (fd < 0)
                         return log_error_errno(errno, "Failed to allocate AF_UNIX/SOCK_STREAM socket: %m");