vscode: move throtting of download progress to call site

editors/code/src/installation/download_file.ts

@@ -1,20 +1,18 @@
 import fetch from "node-fetch";
-import { throttle } from "throttle-debounce";
 import * as fs from "fs";
 import { strict as assert } from "assert";
 
 /**
  * Downloads file from `url` and stores it at `destFilePath`.
- * `onProgress` callback is periodically called to track the progress of downloading,
- * it gets the already read and total amount of bytes to read as its parameters.
+ * `onProgress` callback is called on recieveing each chunk of bytes
+ * to track the progress of downloading, it gets the already read and total
+ * amount of bytes to read as its parameters.
  */
 export async function downloadFile(
     url: string,
     destFilePath: fs.PathLike,
     onProgress: (readBytes: number, totalBytes: number) => void
 ): Promise<void> {
-    onProgress = throttle(200, /* noTrailing: */ true, onProgress);
-
     const response = await fetch(url);
 
     const totalBytes = Number(response.headers.get('content-length'));