Using a specific Javascript library don’t mean you use WordPress! You may know some big companies (dropbox, friendfeed, instagram, mailchimp, etc.) that use those Javascripts library but it doesn’t mean they use WP!
If I said all I mean all WordPress footprints. However, you may use Replace URLs and change their names and wappalyzer can’t recognize them any more but this won’t increase your security!
This FAQ may be useful:
http://codecanyon.net/item/hide-my-wp-no-one-can-know-you-use-wordpress/4177158/faqs/18294