2014.10.27 MSS Code Factory 1.11.12518 DB/2 LUW sp_delete() properly unlinks chains

The DB/2 LUW stored procedure sp_delete_dbtablename() has been updated
to unlink the deletion candidate from the chain before deleting it.  DB/2 LUW
now passes the "Replace Complex Objects" test with CFDbTest 2.0.