[Jetpack] Remove Twitter Meta cards

plugin.php

<?php

function jeherve_remove_tw_tags() {
	remove_filter( 'jetpack_open_graph_tags', 'wpcom_twitter_cards_tags' );
	remove_filter( 'jetpack_open_graph_tags', 'change_twitter_site_param' );
}
add_action( 'template_redirect', 'jeherve_remove_tw_tags' );