Revert r1643912 (Log4J Version 2 support for JULI).

Use of ant patch task is problematic on Windows.
Need for JULI integration needs more justification.
Check with upstream commonas logging.


git-svn-id: https://svn.apache.org/repos/asf/tomcat/trunk@1644504 13f79535-47bb-0310-9956-ffa450edef68