Fix Bootstrap JS and Meta Header Issue with WordPress Download Manager Plugin

/* Fix Bootstrap JS and Meta Header Issue with WordPress Download Manager Plugin */
if ( in_array( 'download-manager/download-manager.php' , apply_filters( 'active_plugins', get_option( 'active_plugins' ) ) ) ) {
    if ( is_admin() && $_GET['post_type'] == 'wpdmpro') {
        add_action( 'admin_enqueue_scripts','deregister_bootstrap_script_jnews_essential', 100 );
        function deregister_bootstrap_script_jnews_essential() {
            wp_deregister_script( 'bootstrap' );
        }
    }
    if ( isset( $_GET['template_preview'] ) ) {
        remove_action( 'wp_head', array( JNews_Meta_Header::getInstance(), 'generate_social_meta' ), 1 );
    }
}