Revert "Fix removal of asterisks in censorship statements"

This reverts commit a0281ad.

See https://www.woltlab.com/community/thread/310091-platzhalter-in-zensur-funktion-funktioniert-f%C3%BCr-urls-nicht-mehr/

Author: BurntimeX

wcfsetup/install/files/lib/system/message/censorship/Censorship.class.php

@@ -25,7 +25,7 @@ class Censorship extends SingletonFactory
      * word delimiters
      * @var string
      */
-    protected $delimiters = '[\s\x21-\x29\x2B-\x2F\x3A-\x3F\x5B-\x60\x7B-\x7D]';
+    protected $delimiters = '[\s\x21-\x2F\x3A-\x3F\x5B-\x60\x7B-\x7E]';
 
     /**
      * list of words