WordPress Instant Articles Remove Extra Code

wordpress-instant-articles-plugin-removal.php

<?php
// remove extra tags above the feed which comes from other plugins.
add_action('wp_footer', 'remove_extra_code_above_feed', 9);   // 9 because by default above plugin functions executes at 10 priority.
function remove_extra_code_above_feed()
{
    if (is_feed()) {
        // removing these methods because they are generating extra content before the Facebook IA feed.
        remove_filter('wp_footer', 'gdlr_additional_script');
        remove_filter('wp_footer', 'an_prepare');
        remove_filter('wp_footer', 'cookielawinfo_inject_cli_script');
        remove_anonymous_object_filter(
            'wp_print_footer_scripts',
            'TablePress_Frontend_Controller',
            'add_datatables_calls'
        );
        remove_anonymous_object_filter(
            'wp_footer',
            'PolldaddyShortcode',
            'generate_scripts'
        );

        remove_action( 'wp_print_styles', 'print_emoji_styles' );
        //print_r($GLOBALS['wp_filter'][ 'wp_footer' ]); // Uncomment this line to see which function are insert any extra data to feed.
    }

}