DERBY-7050: Remove dead engine_169_opt target, a legacy of an old solution for small device support; commit patch submitted by Davide Grandi.

git-svn-id: https://svn.apache.org/repos/asf/db/derby/code/trunk@1863766 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/build.xml b/build.xml
index db62a75..438eb01 100644
--- a/build.xml
+++ b/build.xml
@@ -605,10 +605,7 @@
     <ant dir="${derby.engine.dir}/loc"/>
     <antcall target="class_size_catalog"/>
   </target>
-	 <target name="engine_169_opt" depends="engine">
-	 	  <ant dir="${derby.engine.src.dir}" target="engine_169_opt"/>
-	 </target>
-	
+
   <target name="tools" depends="engine">
     <ant dir="${derby.tools.src.dir}"/>
   </target>