DOCSP-35027 Remove Outdated 2020 .Live Links (#5634) (#5647)

Author: ajhuh-mdb

source/core/data-modeling-introduction.txt

@@ -128,11 +128,6 @@ and other operational considerations that affect data model designs.
 Learn More
 ----------
 
-MongoDB.live 2020 Presentations
-~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
-
-.. include:: /includes/extracts/mongodb-live-2020-data-model-methodology.rst
-
 MongoDB University
 ~~~~~~~~~~~~~~~~~~
 

source/core/transactions.txt

@@ -811,7 +811,6 @@ Additional Transactions Topics
 - :doc:`/core/transactions-production-consideration`
 - :doc:`/core/transactions-sharded-clusters`
 - :doc:`/core/transactions-operations`
-- .. include:: /includes/extracts/mongodb-live-2020-transactions.rst
 
 .. toctree::
    :titlesonly:

source/includes/extracts-mongodb-live-2020.yaml

@@ -79,7 +79,6 @@ operations (CRUD) </crud>` as well as:
 
    - :doc:`/reference/sql-comparison`
    - :doc:`/reference/sql-aggregation-comparison`
-   - .. include:: /includes/extracts/mongodb-live-2020-query-language.rst
 
 High Availability
 ~~~~~~~~~~~~~~~~~