Remove WP emoji code from site header

/**
 * The following removes the WP emoji code from your site's header.
 *
 * Note the priority "7" for the wp_head remove action. This MUST be
 * set to "7". If it is 6 or 8 (or anything else) it is too early or
 * to late and will not work.
 */
remove_action( 'wp_head',             'print_emoji_detection_script', 7 );
remove_action( 'wp_print_styles',     'print_emoji_styles'              );
remove_action( 'admin_print_scripts', 'print_emoji_detection_script'    );
remove_action( 'admin_print_styles',  'print_emoji_styles'              );