Remove all style and scripts for template page in wordpress

functions.php

//If is loading current page template
if ( is_page_template( 'page-templates/template.php' ) ) {

    global $wp_scripts;
		global $wp_styles;

		$styles_to_keep = array("wp-admin", "admin-bar", "dashicons", "open-sans", "avia-popup-css");

			// loop over all of the registered scripts
		foreach ($wp_styles->registered as $handle_st => $data)
		{

			if ( in_array($handle_st, $styles_to_keep) ) continue;

				// remove it
			// wp_deregister_style($handle_st);
			// wp_dequeue_style($handle_st);
		}


		foreach ($wp_scripts->registered as $handle_sc => $data)
		{
				// remove it
				// wp_deregister_script($handle_sc);
			wp_dequeue_script($handle_sc);
		}
}