DOCS-1104 link fixing

Author: Sam Kleinman

source/release-notes/2.2.txt

@@ -763,17 +763,4 @@ Resources
 
 - `All Third Party License Notices <https://github.com/mongodb/mongo/blob/v2.2/distsrc/THIRD-PARTY-NOTICES>`_
 
-What's New in MongoDB 2.2 Online Conference
-~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
-
-- `Introduction and Welcome <http://www.10gen.com/presentations/webinar/whats-new-mongodb-2-dot-2-introduction>`_
-
-- `The Aggregation Framework <http://www.10gen.com/presentations/webinar/what's-new-mongodb-2-dot-2-aggregation>`_
-
-- `Concurrency <http://www.10gen.com/presentations/webinar/what's-new-mongodb-2-dot-2-concurrency>`_
-
-- `Data Center Awareness <http://www.10gen.com/presentations/webinar/what's-new-mongodb-2-dot-2-data>`_
-
-- `TTL Collections <http://www.10gen.com/presentations/webinar/what's-new-mongodb-2-dot-2-ttl>`_
-
-- `Closing Remarks and Q&A <http://www.10gen.com/presentations/webinar/what's-new-mongodb-2-dot-2-closing>`_
+- `What's New in MongoDB 2.2 Online Conference <http://www.10gen.com/events/webinar/mongodb-online-conference-sept>`_