Refactoring to remove unnecessary SET_WRITE_LISTENER action

git-svn-id: https://svn.apache.org/repos/asf/tomcat/trunk@1480757 13f79535-47bb-0310-9956-ffa450edef68
Missed a few things with the refactoring to remove SET_WRITE_LISTENER

git-svn-id: https://svn.apache.org/repos/asf/tomcat/trunk@1480759 13f79535-47bb-0310-9956-ffa450edef68