Removed debug statements from manipulation tests, was causing errors in IE.

test/unit/manipulation.js

@@ -652,8 +652,6 @@ test("val(Function)", function() {
 var testHtml = function(valueObj) {
 	expect(20);
 
-	window.debug = true;
-
 	jQuery.scriptorder = 0;
 
 	var div = jQuery("#main > div");
@@ -664,8 +662,6 @@ var testHtml = function(valueObj) {
 	}
 	ok( pass, "Set HTML" );
 
-	delete window.debug;
-
 	reset();
 	// using contents will get comments regular, text, and comment nodes
 	var j = jQuery("#nonnodes").contents();