Remove unused import.

git-svn-id: https://svn.apache.org/repos/asf/logging/log4j/log4j2/trunk@1613421 13f79535-47bb-0310-9956-ffa450edef68
[LOG4J2-742] XInclude not working with relative path.

git-svn-id: https://svn.apache.org/repos/asf/logging/log4j/log4j2/trunk@1613427 13f79535-47bb-0310-9956-ffa450edef68
The next release will be 2.0.1.

git-svn-id: https://svn.apache.org/repos/asf/logging/log4j/log4j2/trunk@1613428 13f79535-47bb-0310-9956-ffa450edef68