DERBY-7050: Remove dead engine_169_opt target, a legacy of an old solution for small device support; commit patch submitted by Davide Grandi.
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: 2c06e9c5008124d912b69f0b82df29d4867c0ce2@1863766 13f79535-47bb-0310-9956-ffa450edef68

apache/derby,apache/derby,apache/derby,apache/derby