Disables inclusion of hardcoded classpath in manifest

Lubomir Rintel <lkundrak@v3.sk>

diff -up opengrok-0.8.1-src/build.xml.manifest-classpath opengrok-0.8.1-src/build.xml
--- opengrok-0.8.1-src/build.xml.manifest-classpath	2010-02-17 20:53:59.000000000 +0100
+++ opengrok-0.8.1-src/build.xml	2010-02-17 20:55:24.762613810 +0100
@@ -235,14 +235,16 @@ Use is subject to license terms.
     </target>
 
     <!-- Update the manifest file with a classpath attribute -->
+    <!--
     <target name="-update-manifest-classpath">
       <manifest file="${manifest.file}" mode="update">
         <attribute name="Class-Path"
                    value="${opengrok.lib.files} lib/derbyclient.jar lib/derby.jar"/>
       </manifest>
     </target>
+    -->
 
-    <target name="-pre-jar" depends="-update-manifest-classpath,-update-build-info"/>
+    <target name="-pre-jar" depends="-update-build-info"/>
 
     <!--
         Copy the jars from lib to dist/lib manually if we don't have