Don't mention the querystring module in the README

Author: papandreou

README.md

@@ -232,12 +232,10 @@ any of the following keys:
 
 ##### extended
 
-The `extended` option allows to choose between parsing the URL-encoded data
-with the `querystring` library (when `false`) or the `qs` library (when
-`true`). The "extended" syntax allows for rich objects and arrays to be
-encoded into the URL-encoded format, allowing for a JSON-like experience
-with URL-encoded. For more information, please
-[see the qs library](https://www.npmjs.org/package/qs#readme).
+The "extended" syntax allows for rich objects and arrays to be encoded into the
+URL-encoded format, allowing for a JSON-like experience with URL-encoded. For
+more information, please [see the qs
+library](https://www.npmjs.org/package/qs#readme).
 
 Defaults to `true`, but using the default has been deprecated. Please
 research into the difference between `qs` and `querystring` and choose the