Avoid string conversion of args

lib/cron.php

@@ -8,8 +8,7 @@ function noblogs_run_cron_for_current_blog() {
   foreach ($crons as $timestamp => $cronhooks) {
     foreach ($cronhooks as $hook => $keys) {
       foreach ($keys as $k => $v) {
-        $args_str = implode(', ', $v['args']);
-        echo "  {$k} -> {$hook} ({$args_str})\n";
+        echo "  {$k} -> {$hook}()\n";
         $schedule = $v['schedule'];
         if ($schedule) {
             $result = wp_reschedule_event($timestamp, $schedule, $hook, $v['args'], true);