Docsp-21006 v4.2 (#763)

* DOCSP-21006 changing href for 139 on node driver ex

* update link

* remove additional link

Author: ianf-mongodb

source/includes/driver-examples/driver-example-indexes-1.rst

@@ -134,11 +134,9 @@
      - id: nodejs
        content: |
          To create an index using the
-         `Node.JS driver <https://mongodb.github.io/node-mongodb-native/>`_,
-         use
-         `createIndex() <http://mongodb.github.io/node-mongodb-native/2.1/tutorials/create-indexes/>`_.
+         `Node.JS driver <https://docs.mongodb.com/drivers/node/current/>`_,
+         use ``createIndex()``.
 
-         .. class:: copyable-code
          .. code-block:: javascript
 
             collection.createIndex( { <key and index type specification> }, function(err, result) {
@@ -157,9 +155,8 @@
                callback(result);
             }
 
-         The `createIndex() <http://mongodb.github.io/node-mongodb-native/2.1/tutorials/create-indexes/>`_
-         method only creates an index if an index of the same
-         specification does not already exist.
+         The ``createIndex()`` method only creates an index if an index
+         of the same specification does not already exist.
 
      - id: php
        content: |