Remove unused import added by mistake

git-svn-id: https://svn.apache.org/repos/asf/ant/core/trunk@275760 13f79535-47bb-0310-9956-ffa450edef68

src/main/org/apache/tools/ant/types/XMLCatalog.java

@@ -74,7 +74,6 @@ import javax.xml.transform.sax.SAXSource;
 import org.apache.tools.ant.AntClassLoader;
 import org.apache.tools.ant.BuildException;
 import org.apache.tools.ant.Project;
-import org.apache.tools.ant.taskdefs.condition.Os;
 import org.apache.tools.ant.util.FileUtils;
 import org.apache.tools.ant.util.JAXPUtils;
 import org.xml.sax.EntityResolver;