DOCSP-50818: Remove Motor link on Python Drivers (#1012)

Author: norareidy

source/python-drivers.txt

@@ -42,13 +42,6 @@ to learn how to install and begin using the driver.
 `PyMongoArrow <https://www.mongodb.com/docs/languages/python/pymongo-arrow-driver/current/>`__
 is a PyMongo extension for loading MongoDB query result sets as Apache Arrow tables.
 
-Motor
------
-
-Motor is the MongoDB Python driver for asynchronous applications. See the
-:ref:`Motor documentation <python-async-driver>` to learn how to install and begin
-using the driver.
-
 Tools and Projects
 ------------------