Remove unused code

- Remove commented code
- Remove unused/immediately overwritten variables
- Remove extraneous parameters
- Remove unreachable code
- Remove duplicate array keys

src/Worker/Cron.php

@@ -143,13 +143,11 @@ class Cron
 		$manual_id  = 0;
 		$generation = 0;
 		$force      = false;
-		$restart    = false;
 
 		if ($parameter == 'force') {
 			$force = true;
 		}
 		if ($parameter == 'restart') {
-			$restart = true;
 			$generation = intval($generation);
 			if (!$generation) {
 				exit();
@@ -167,8 +165,6 @@ class Cron
 
 		Addon::reload();
 
-		$d = DateTimeFormat::utcNow();
-
 		// Only poll from those with suitable relationships,
 		// and which have a polling address and ignore Diaspora since
 		// we are unable to match those posts with a Diaspora GUID and prevent duplicates.