*) removing yacy.jar on ant clean

git-svn-id: https://svn.berlios.de/svnroot/repos/yacy/trunk@3481 6c8d7289-2bf4-0310-a012-ef5d649a1542

build.xml

@@ -601,6 +601,7 @@
   <delete dir="${release_main}" failonerror="false"/>
   <delete dir="${release_ext}" failonerror="false"/>
   <delete file="${build}/yacy.java" failonerror="false"/>
+  <delete file="yacy.jar" failonerror="false"/>
   <delete failonerror="false">    
     <fileset dir="${src}" includes="**/*.class" />
     <fileset dir="${build}" includes="**/*.class" />