i have tried core/Mage/catalogSearch/Helper/Data.php and ResultController.php in Controller and Query.php in model but couldn't find code so i can fix it here is snapshot attached which i have to remove ..
you can enable show template and show block name in adminhtml.
change you webstore to
Default store view;
end emable options
template hints and
hints block and save your configuration.
after you can update search result page, and see your path to template. if template location in core directory themes, you need copy this file to your theme. And search this link and comment...