Remove obsolete icon code

packages/common/src/icon.js

 import {html, LitElement, css} from 'lit-element';
-// import {unsafeHTML} from 'lit-html/directives/unsafe-html.js';
-// import {until} from 'lit-html/directives/until.js';
 import * as commonUtils from '../utils.js';
 import {name as pkgName} from './../package.json';
 
-// // Use in case the icon fails to load
-// const errorIcon = `
-// <svg version="1.1" id="Layer_2_1_" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" x="0px" y="0px"
-// 	 viewBox="0 0 100 100" style="enable-background:new 0 0 100 100;" xml:space="preserve">
-// <g>
-// 	<path d="M38.2,98.7c-1.1,0-2.2-0.6-2.8-1.6c-0.5-0.8-0.6-1.8-0.3-2.6l8.9-37.8H24.5c-1.2,0-2.2-0.6-2.8-1.5c-0.6-1-0.7-2.2-0.1-3.2
-// 		l0.2-0.3L54.9,3.1c0.9-1.6,2.3-1.8,2.8-1.8c1.1,0,2.2,0.6,2.8,1.6c0.5,0.8,0.6,1.7,0.3,2.6l-6.9,30.4L75.6,36
-// 		c1.1,0,2.2,0.6,2.8,1.5c0.6,1,0.7,2.2,0.1,3.2l-0.2,0.3L40.8,97.4l-0.2,0.2C40.3,97.9,39.5,98.7,38.2,98.7z M28.6,51.2h18.1
-// 		c1.8,0,3.2,1.5,3.2,3.4v0.3l-6.8,29l28.2-42.4l-20.3-0.1c-1.8,0-3.2-1.5-3.2-3.4v-0.3l5-21.9L28.6,51.2z M75.5,41.5
-// 		C75.5,41.5,75.5,41.5,75.5,41.5L75.5,41.5z M51.1,35.9L51.1,35.9C51.2,35.9,51.1,35.9,51.1,35.9z"/>
-// </g>
-// </svg>
-// `;
-
-// function getCSSVariable(name) {
-//     let value = window.getComputedStyle(document.documentElement).getPropertyValue(name);
-//
-//     if (!value) {
-//         return null;
-//     }
-//
-//     return value.replaceAll('"', '').replaceAll('\'', '').trim();
-// }
-
 export function getIconSVGURL(name) {
-    // const varName = '--dbp-override-icon-' + name;
-    // const cssVarValue = getCSSVariable(varName);
-    // const iconBasePath = getCSSVariable('--dbp-icon-base-path');
-    // // console.log("varName", varName);
-    // // console.log("cssVarValue", cssVarValue);
-    // // console.log("iconBasePath", iconBasePath);
-    //
-    // // check if we want to override the icon
-    // if (cssVarValue) {
-    //     let path = cssVarValue;
-    //
-    //     // try to take care of relative paths
-    //     if (!path.startsWith('/') && !path.startsWith('http://') && !path.startsWith('https://') && iconBasePath) {
-    //         path = iconBasePath + path;
-    //     }
-    //
-    //     // console.log("path", path);
-    //
-    //     return path;
-    // }
-
     return commonUtils.getAssetURL(pkgName, 'icons/' + encodeURI(name) + '.svg');
 }
 
@@ -71,39 +24,6 @@ export function getIconCSS(name) {
     `;
 }
 
-// async function getSVGTextElement(name) {
-//     const iconURL = getIconSVGURL(name);
-//     // console.log("iconURL: " + iconURL);
-//
-//     const response = await fetch(iconURL);
-//     if (!response.ok) {
-//         return unsafeHTML(errorIcon);
-//     }
-//     let text = await response.text();
-//     if (text.indexOf('<svg') === -1) {
-//         return unsafeHTML(errorIcon);
-//     }
-//     text = text.slice(text.indexOf('<svg'));
-//     return unsafeHTML(text);
-// }
-
-// const iconCache =  {};
-
-// /**
-//  * Avoid lots of requests in case an icon is used multiple times on the same page.
-//  *
-//  * @param {string} name
-//  */
-// async function getSVGTextElementCached(name) {
-//     if (iconCache[name] === undefined) {
-//         let promise = getSVGTextElement(name);
-//         iconCache[name] = promise;
-//         return promise;
-//     } else {
-//         return iconCache[name];
-//     }
-// }
-
 /**
  * For icon names see https://lineicons.com
  */
@@ -148,13 +68,10 @@ export class Icon extends LitElement {
     render() {
         const iconURL = getIconSVGURL(this.name);
         const iconPart = this.name.trim().replaceAll(" ", "");
-        // console.log("iconURL", iconURL);
-        // console.log("iconPart", iconPart);
 
         return html`
             <style>
                 #svg {
-                    /*background-image: var(--dbp-override-icon-${iconPart}, url(${iconURL}));*/
                     -webkit-mask-image: var(--dbp-override-icon-${iconPart}, url(${iconURL}));
                     mask-image: var(--dbp-override-icon-${iconPart}, url(${iconURL}));
                 }