Remove useless import

git-svn-id: https://svn.apache.org/repos/asf/ant/core/trunk@273090 13f79535-47bb-0310-9956-ffa450edef68

src/main/org/apache/tools/ant/taskdefs/optional/XalanLiaison.java

@@ -54,7 +54,6 @@
 
 package org.apache.tools.ant.taskdefs.optional;
 
-import org.apache.tools.ant.BuildException;
 import org.apache.tools.ant.taskdefs.XSLTLiaison;
 
 import org.apache.xalan.xslt.XSLTProcessorFactory;