Removed a plan item done in the previous release.

 - Legacy-Id: 14783

Author: levkowetz

PLAN

@@ -33,8 +33,6 @@ Planned work in rough order
   on multiple floors (probably means modelling break areas the same way
   as other sessions, and removing the break_area char_field on Meeting.
 
-* Add per-session calendar links to the session pages.
-
 * Transition to Python 3.  This will make it easier to add add support for
   internationalsed email, and also other i18n enhancements.