do not log env vars in container since could be sensitive

Kevin Rooney
1:07 PM
https://github.com/Internet2/grouper/blob/GROUPER_2_6_BRANCH/grouper/src/grouper/edu/internet2/middleware/grouper/util/GrouperUtil.java#L11348
This code logged our ENV variables. This should be set to TRACE or redacted. Can't login to issue tracker to create a bug.
GrouperUtil.java
logMessage.append("Subsituting EL: '").append(stringToParse).append("', and with env vars: ");