Fix underscore on eel.is

eel.is.noshy.js

// ==UserScript==
// @name         eel.is.noshy
// @namespace    http://tampermonkey.net/
// @version      0.1
// @description  Remove &shy from eel.is
// @author       cor3ntin
// @match        http://eel.is/c++draft/*
// @icon         https://www.google.com/s2/favicons?domain=eel.is
// @grant        none
// ==/UserScript==

(function() {
    const source = document
    source.addEventListener('copy', (event) => {
        const selection = document.getSelection();
        const txt = selection.toString().replace(/\u00AD/g, "");
        event.clipboardData.setData('text/plain', txt);
        event.clipboardData.setData('text/html', txt);
        event.preventDefault();
    });
})();