DOCS-13677 pymongo links (#646)

* DOCS-13677: update pymongo links

Author: Chris Cho

source/pymongo.txt

@@ -10,18 +10,18 @@ PyMongo
    :local:
    :backlinks: none
    :depth: 2
-   :class: twocols
+   :class: singlecol
 
 Introduction
 ------------
 
 **PyMongo** is the recommended way to work with MongoDB from Python.
 
-- :api:`Tutorial <python/current/tutorial.html>`
+- `Tutorial <https://pymongo.readthedocs.io/en/stable/tutorial.html>`__
 
-- :api:`API Reference <python/current/api/index.html>`
+- `API Reference <https://pymongo.readthedocs.io/en/stable/api/index.html>`__
 
-- :api:`Changelog <python/current/changelog.html>`
+- `Changelog <https://pymongo.readthedocs.io/en/stable/changelog.html>`__
 
 - `Source Code <https://github.com/mongodb/mongo-python-driver>`__
 
@@ -62,8 +62,8 @@ To upgrade using pip:
    $ python -m pip install --upgrade pymongo
 
 
-See :api:`Installation <python/current/installation.html>` for more
-ways to install.
+See `Installation <https://pymongo.readthedocs.io/en/stable/installation.html>`__
+for more ways to install.
 
 
 Connect to MongoDB Atlas

source/python.txt

@@ -12,7 +12,7 @@ MongoDB Python Drivers
    :local:
    :backlinks: none
    :depth: 1
-   :class: twocols
+   :class: singlecol
 
 Introduction
 ------------
@@ -30,7 +30,7 @@ Take the free online course taught by MongoDB
        .. figure:: /figures/M220P_hero.jpg
 
      - `M220P: MongoDB for Python Developers <https://university.mongodb.com/courses/M220P/about>`__
- 
+
        Learn the essentials of Python application development with MongoDB.