Fix the sidebar to show the currently supported ROS 2 distros. (ros-i…

…nfrastructure#351)

Signed-off-by: Chris Lalancette <[email protected]>

theme/rostheme.py

@@ -218,9 +218,8 @@ def header(self, d):
             # Sidebar
             u'<div id="sidebar">',
             u'<h4>ROS 2 Documentation</h4><p>The ROS Wiki is for ROS 1. Are you using ROS 2 (\
-<a href="http://docs.ros.org/en/foxy/">Foxy</a>, \
-<a href="http://docs.ros.org/en/galactic/">Glactic</a>, \
 <a href="http://docs.ros.org/en/humble/">Humble</a>, \
+<a href="http://docs.ros.org/en/iron/">Iron</a>, \
 or <a href="http://docs.ros.org/en/rolling/">Rolling</a>)? <br>\
 <a href="http://docs.ros.org">Check out the ROS 2 Project Documentation</a><br>\
 Package specific documentation can be found on <a href="https://index.ros.org">index.ros.org</a></p>',