revert to rev641481

git-svn-id: https://svn.apache.org/repos/asf/ant/antlibs/common/trunk@650829 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/build.xml b/build.xml
index dfaf7f6..1259572 100644
--- a/build.xml
+++ b/build.xml
@@ -204,7 +204,7 @@
       <fileset dir="${src.antunit}" includes="${antunit.includes}"
                excludes="${antunit.excludes}" />
 
-      <au:plainlistener logLevel="debug"/>
+      <au:plainlistener/>
     </au:antunit>
   </target>