ACCUMULO-1010 removed logger zookeeper entries during upgrade

git-svn-id: https://svn.apache.org/repos/asf/accumulo/branches/1.5@1460920 13f79535-47bb-0310-9956-ffa450edef68
ACCUMULO-1010 removed logger zookeeper entries during upgrade

git-svn-id: https://svn.apache.org/repos/asf/accumulo/trunk@1460921 13f79535-47bb-0310-9956-ffa450edef68