remove unneeded destruct methods as GC has higher performance (#6631)

Co-authored-by: Tim Fry <tim@voipstratus.com>

resources/classes/text.php

@@ -50,16 +50,6 @@ class text {
 			}
 	}
 
-	/**
-	 * Called when there are no references to a particular object
-	 * unset the variables used in the class
-	 */
-	public function __destruct() {
-		if (is_array($this)) foreach ($this as $key => $value) {
-			unset($this->$key);
-		}
-	}
-
 	/**
 	 * Get a specific item from the cache
 	 * @var string $language_code	examples: en-us, es-cl, fr-fr, pt-pt