Remove subscriptions from guide menu to prevent Firefox hangs

YT SUB-NUKE.user.js

// ==UserScript==
// @version     1.0.0
// @name        YouTube Guide Nuke
// @description Remove subscriptions from guide menu to prevent Firefox hangs
// @match       *://www.youtube.com/*
// @run-at      document-start
// @grant       none
// @noframes
// ==/UserScript==
(function () {
    "use strict";
    function nukeSubs() {
        var guideSubs = document.getElementById("guide-subscriptions-section");
        // or use "guide-channels" instead to show the "SUBSCRIPTIONS" link title
        if (guideSubs) {
            guideSubs.remove();
        }
    }
    document.addEventListener("readystatechange", nukeSubs);
    document.addEventListener("load", nukeSubs, true);
}());