Update comments of fs-rmSync.js

extra/fs-rmSync.js

@@ -4,7 +4,10 @@ const fs = require("fs");
  * to avoid the runtime deprecation warning triggered for using `fs.rmdirSync` with `{ recursive: true }` in Node.js v16,
  * or the `recursive` property removing completely in the future Node.js version.
  * See the link below.
- * @link https://nodejs.org/docs/latest-v16.x/api/deprecations.html#dep0147-fsrmdirpath--recursive-true-
+ *
+ * @todo Once we drop the support for Node.js v14 (or at least versions before v14.14.0), we can safely replace this function with `fs.rmSync`, since `fs.rmSync` was add in Node.js v14.14.0 and currently we supports all the Node.js v14 versions that include the version before the v14.14.0, and this function have almost the same signature with `fs.rmSync`.
+ * @link https://nodejs.org/docs/latest-v16.x/api/deprecations.html#dep0147-fsrmdirpath--recursive-true- the deprecation infomation of `fs.rmdirSync`
+ * @link https://nodejs.org/docs/latest-v16.x/api/fs.html#fsrmsyncpath-options the document of `fs.rmSync`
  * @param {fs.PathLike} path Valid types for path values in "fs".
  * @param {fs.RmDirOptions} [options] options for `fs.rmdirSync`, if `fs.rmSync` is available and property `recursive` is true, it will automatically have property `force` with value `true`.
  */