Cleanup the ZZZ comments. Basically these used to mark places where APR

is needed.  It is much easier to do this conversion by hand than by
searching for old comments, so they are going away now.


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@84128 13f79535-47bb-0310-9956-ffa450edef68