remove non used exception

git-svn-id: https://svn.apache.org/repos/asf/tomcat/maven-plugin/trunk@1538501 13f79535-47bb-0310-9956-ffa450edef68
[MTOMCAT-92] Bind tomcat to a self-chosen network interface

git-svn-id: https://svn.apache.org/repos/asf/tomcat/maven-plugin/trunk@1538502 13f79535-47bb-0310-9956-ffa450edef68