Fix https://issues.apache.org/bugzilla/show_bug.cgi?id=55478
Javadoc change therefore CTR
Remove non-production warning.
Comparing the code between 6.0p.x and 7.0.x did not identify any differences that would justify leaving this warning in place.

git-svn-id: https://svn.apache.org/repos/asf/tomcat/tc6.0.x/trunk@1519665 13f79535-47bb-0310-9956-ffa450edef68