Revert "added RobotLoader::$rememberMissing; refactoring"

This reverts commit 25f47fe.

Nette/Loaders/RobotLoader.php

@@ -35,9 +35,6 @@ class RobotLoader extends AutoLoader
 	/** @var bool */
 	public $autoRebuild = FALSE;
 
-	/** @var bool */
-	public $rememberMissing = FALSE;
-
 	/** @var array */
 	private $list = array();
 
@@ -96,13 +93,13 @@ public function tryLoad($type)
 		$type = ltrim(strtolower($type), '\\'); // PHP namespace bug #49143
 
 		if (!isset($this->list[$type]) || ($this->list[$type] !== FALSE && !is_file($this->list[$type][0]))) {
-			$this->list[$type] = $this->rememberMissing ? FALSE : NULL;
+			$this->list[$type] = FALSE;
 
 			if ($this->autoRebuild) {
-				if (!$this->rebuilt) {
-					$this->rebuild();
-				} elseif (isset($this->list[$type])) {
+				if ($this->rebuilt) {
 					$this->getCache()->save($this->getKey(), $this->list);
+				} else {
+					$this->rebuild();
 				}
 			}
 		}