Remove simpleMarkedWorker.ts

This markdown renderin worker script is not used as far as I can tell. This change removes it.

src/vs/base/common/marked/simpleMarkedWorker.ts

-/*---------------------------------------------------------------------------------------------
- *  Copyright (c) Microsoft Corporation. All rights reserved.
- *  Licensed under the MIT License. See License.txt in the project root for license information.
- *--------------------------------------------------------------------------------------------*/
-
-'use strict';
-
-import {WorkerServer} from 'vs/base/common/worker/workerServer';
-import {marked} from 'vs/base/common/marked/marked';
-
-
-function link(href, title, text): string {
-	return `<a href="#" data-href="${href}" title="${title || text}">${text}</a>`;
-}
-
-
-export const value = {
-
-	markdownToHtml(main: WorkerServer, resolve: Function, reject: Function, progress: Function, data: { source: string; highlight: boolean; }): void {
-
-		// function highlight(code: string, lang: string, callback?: (error: Error, result: string) => void) {
-		// 	main.request('highlight', { code, lang }).then(value => callback(void 0, value), err => callback(err, void 0));
-		// }
-
-		const renderer = new marked.Renderer();
-		renderer.link = link;
-
-		marked(data.source, {
-			gfm: true,
-			sanitize: true,
-			renderer,
-			// highlight
-		}, function(err, html) {
-			if (err) {
-				reject(err);
-			} else {
-				resolve(html);
-			}
-		});
-	}
-};