Bug 1014105 Eliminate the AUTOCOMPLETE_OLD_STYLE variable in XUL.css r=Neil

toolkit/content/xul.css

@@ -818,12 +818,8 @@ textbox[type="number"] {
 
 /********** autocomplete textbox **********/
 
-/* SeaMonkey don't use the new toolkit's autocomplete widget yet.... */
+/* SeaMonkey does not use the new toolkit's autocomplete widget */
 %ifdef MOZ_SUITE
-%define AUTOCOMPLETE_OLD_STYLE
-%endif
-
-%ifdef AUTOCOMPLETE_OLD_STYLE
 
 textbox[type="autocomplete"] {
   -moz-binding: url("chrome://global/content/autocomplete.xml#autocomplete");