[css2] Removed left/right from page property.

--HG--
extra : convert_revision : svn%3A73dc7c4b-06e6-40f3-b4f7-9ed1dbc14bfc/trunk%401637

Author: bert-github

css2/properties/properties.db

@@ -322,7 +322,7 @@ leftwards | rightwards | inherit;;
 */
 
 /* page;;
-   <identifier> [ :left | :right ]? | auto;; auto;;
+   <identifier> | auto;; auto;;
    block-level elements;; yes;; N/A;; visual, paged
 */