Remove redundant globals code

js/globals.ts

@@ -8,48 +8,9 @@ import { libdeno } from "./libdeno";
 import * as textEncoding from "./text_encoding";
 import * as timers from "./timers";
 
-declare global {
-  interface Window {
-    define: Readonly<unknown>;
-
-    clearTimeout: typeof clearTimeout;
-    clearInterval: typeof clearInterval;
-    setTimeout: typeof setTimeout;
-    setInterval: typeof setInterval;
-
-    console: typeof console;
-    window: typeof window;
-
-    fetch: typeof fetch;
-
-    TextEncoder: typeof TextEncoder;
-    TextDecoder: typeof TextDecoder;
-    atob: typeof atob;
-    btoa: typeof btoa;
-
-    Headers: typeof Headers;
-    Blob: typeof Blob;
-  }
-
-  const clearTimeout: typeof timers.clearTimer;
-  const clearInterval: typeof timers.clearTimer;
-  const setTimeout: typeof timers.setTimeout;
-  const setInterval: typeof timers.setInterval;
-
-  const console: console.Console;
-  const window: Window;
-
-  const fetch: typeof fetch_.fetch;
-
-  // tslint:disable:variable-name
-  const TextEncoder: typeof textEncoding.TextEncoder;
-  const TextDecoder: typeof textEncoding.TextDecoder;
-  const atob: typeof textEncoding.atob;
-  const btoa: typeof textEncoding.btoa;
-  const Headers: typeof fetch_.DenoHeaders;
-  const Blob: typeof blob.DenoBlob;
-  // tslint:enable:variable-name
-}
+// During the build process, augmentations to the variable `window` in this
+// file are tracked and created as part of default library that is built into
+// deno.
 
 // A reference to the global object.
 export const window = globalEval("this");