Remove filter token. It doesn't make sense to have it here and hard
coded version numbers all over the place in the rest of the manual.
Submitted by: Daniel Rall <dlr at collab dot net>
git-svn-id: https://svn.apache.org/repos/asf/ant/core/trunk@273659 13f79535-47bb-0310-9956-ffa450edef68