function remove_wpf_actions() {

    if ( ! function_exists( 'wp_fusion' ) ) {
        return;
    }

    remove_action( 'fluentcrm_contact_added_to_tags', array( wp_fusion()->crm_base->crm_no_queue, 'contact_tags_added_removed' ), 10, 2 );
    remove_action( 'fluentcrm_contact_removed_from_tags', array( wp_fusion()->crm_base->crm_no_queue, 'contact_tags_added_removed' ), 10, 2 );

}

add_action( 'plugins_loaded', 'remove_wpf_actions' );