Remove completed TODOs

git-svn-id: https://svn.apache.org/repos/asf/tomcat/trunk@1530172 13f79535-47bb-0310-9956-ffa450edef68
Revert r1529130 and add a comment that explains why the sync is necessary.

git-svn-id: https://svn.apache.org/repos/asf/tomcat/trunk@1530177 13f79535-47bb-0310-9956-ffa450edef68