-remove unused import

git-svn-id: https://svn.apache.org/repos/asf/ant/core/trunk@544708 13f79535-47bb-0310-9956-ffa450edef68

src/main/org/apache/tools/ant/taskdefs/Truncate.java

@@ -29,7 +29,6 @@ import org.apache.tools.ant.types.Path;
 import org.apache.tools.ant.types.ResourceCollection;
 import org.apache.tools.ant.types.resources.FileResource;
 import org.apache.tools.ant.util.FileUtils;
-import org.apache.tools.ant.util.StringUtils;
 
 /**
  * Set the length of one or more files, as the intermittently available
@@ -200,4 +199,4 @@ public class Truncate extends Task {
         return path;
     }
 
-}
+}