Remove crossDomain:null comment, it's not needed since undefined==null below.

dmethvin · dmethvin · commit 6c28a394c217 · 2011-03-30T21:59:38.000-04:00
diff --git a/src/ajax.js b/src/ajax.js
@@ -319,7 +319,6 @@ jQuery.extend({
 		cache: null,
 		traditional: false,
 		headers: {},
-		crossDomain: null,
 		*/
 
 		accepts: {
