Dequeue Table of Content font

You can use this code

add_action( 'wp_enqueue_scripts', 'dequeue_ez_icomoon', 11 );
function dequeue_ez_icomoon() {
    wp_deregister_style( 'ez-icomoon' );
    wp_deregister_style( 'ez-toc' );
    wp_register_style( 'ez-toc', EZ_TOC_URL . "assets/css/screen.min.css", array(), ezTOC::VERSION );
}