Drop sync history as keeping it updated is a pain and typically forgotten.

pep-0360.txt

@@ -65,8 +65,6 @@ ElementTree
     xml.etree
 :Contact person:
     Fredrik Lundh
-:Synchronisation history:
-    * 1.2.6 [ElementTree] / 1.0.5 [cElementTree] (2.5)
 
 Patches should not be directly applied to Python HEAD, but instead
 reported to the Python tracker [#python-tracker]_ (critical bug fixes
@@ -84,11 +82,6 @@ Expat XML parser
     bindings)
 :Contact person:
     None
-:Synchronisation history:
-    * 1.95.8 (2.4)
-    * 1.95.7 (2.3)
-    * 2.0    (2.5)
-
 
 Optik
 -----
@@ -99,11 +92,8 @@ Optik
     optparse
 :Contact person:
     Greg Ward
-:Synchronisation history:
-    * 1.5.1 (2.5)
-    * 1.5a1 (2.4)
-    * 1.4   (2.3)
 
+External development seems to have ceased.
 
 wsgiref
 -------
@@ -113,11 +103,10 @@ wsgiref
     wsgiref
 :Contact Person:
     Phillip J. Eby
-:Synchronisation history:
-    * 0.1 (2.5)
 
 Bugs and patches should pass through the Web-SIG mailing list [#web-sig]_
-before being applied to HEAD.
+before being applied to HEAD. External maintenance seems to have
+ceased.
 
 
 References