add links to 5.x rapid release notes

Author: jeff-allen-mongo

source/release-notes.txt

@@ -20,12 +20,6 @@ Upcoming Rapid Release
 
 .. include:: /includes/in-dev.rst
 
-.. toctree::
-   :maxdepth: 1
-   :hidden:
-
-   /release-notes/6.3
-
 Current Rapid Release
 ~~~~~~~~~~~~~~~~~~~~~
 
@@ -49,21 +43,13 @@ Previous Rapid Releases
 - :ref:`release-notes-5.2`
 - :ref:`release-notes-5.1`
 
-.. toctree::
-   :maxdepth: 1
-   :hidden:
-
-   /release-notes/6.2
-   /release-notes/6.1
-
 Previous Stable Releases
 ~~~~~~~~~~~~~~~~~~~~~~~~
 
 - :doc:`/release-notes/5.0`
 - :doc:`/release-notes/4.4`
 - :doc:`/release-notes/4.2`
 
-
 EOL'ed Releases
 ~~~~~~~~~~~~~~~
 
@@ -89,7 +75,13 @@ EOL'ed Releases
    :maxdepth: 1
    :hidden:
 
+   /release-notes/6.3
+   /release-notes/6.2
+   /release-notes/6.1
    /release-notes/6.0
+   /release-notes/5.3
+   /release-notes/5.2
+   /release-notes/5.1
    /release-notes/5.0
    /release-notes/4.4
    /release-notes/4.2