property from the xdoc plugin. These have been updated to use the new
method of accessing properties in other plugins. While cleaning this
up, I also noticed a handful of other repetitive properties in
plugin.properties files, which I also removed/cleaned.
git-svn-id: https://svn.apache.org/repos/asf/maven/maven-1/plugins/trunk@112744 13f79535-47bb-0310-9956-ffa450edef68
