Here is a handy jQuery solution that effectively removes the browser tooltip without losing the title attribute's functionality. You can easily customize the selector to fit your specific requirements.
/*
* Efficient jQuery method for removing browser tooltips
*/
var removeTitleSelector = 'a.removeTitle';
jQuery('body').on('mouseover', removeTitleSelector, function () {
jQuery(this).data('title', jQuery(this).attr('title'));
jQuery(this).removeAttr('title');
}).on('mouseout', removeTitleSelector, function () {
jQuery(this).attr('title', jQuery(this).data('title'));
});