Remove querystring variable legacy code

git-svn-id: https://develop.svn.wordpress.org/trunk@2239 602fd350-edb4-49c9-b593-d223f7449a82

wp-includes/vars.php

@@ -9,9 +9,6 @@ if (preg_match('#([^/]+.php)#', $PHP_SELF, $self_matches)) {
 	$pagenow = trim($pagenow[(sizeof($pagenow)-1)]);
 	$pagenow = explode('?', $pagenow);
 	$pagenow = $pagenow[0];
-	if (($querystring_start == '/') && ($pagenow != 'post.php')) {
-		$pagenow = get_settings('siteurl') . '/';
-	}
 } else {
 	$pagenow = 'index.php';
 }