Remove TODO entry, protocol module already refactored.

See r1356 and followings.

git-svn-id: https://svn.erp5.org/repos/neo/trunk@1439 71dcc9de-d417-0410-9af5-da40c76e7ee4

TODO

@@ -91,9 +91,7 @@ RC  - Review output of pylint (CODE)
     - Clarify big packet handling, is it needed to split them at connection
       level, application level, use the ask/send/answer scheme ? Currently it's
       not consistent, essentially with ask/answer/send partition table.
-    - Split protocol.py in a 'protocol' module, gather packet related data
-      (encoder, decoder, definition), don't use magic code to defined packet
-      types, group, consider using one class per paquet, extract patterns.
+    - Split protocol.py in a 'protocol' module
     - Review handler split (CODE)
       The current handler split is the result of small incremental changes. A
       global review is required to make them square. Consider rename handler