Revert previous checkin, DB_NODUPDATA is not valid on db->set_flags().

It must be specified on individual put() operations (and already is).

servers/slapd/back-bdb/dbcache.c

@@ -70,8 +70,7 @@ bdb_db_cache(
 
 	rc = db->bdi_db->set_pagesize( db->bdi_db, BDB_PAGESIZE );
 #ifdef BDB_IDL_MULTI
-	rc = db->bdi_db->set_flags( db->bdi_db,
-		DB_DUP | DB_DUPSORT | DB_NODUPDATA );
+	rc = db->bdi_db->set_flags( db->bdi_db, DB_DUP | DB_DUPSORT );
 	rc = db->bdi_db->set_dup_compare( db->bdi_db, bdb_bt_compare );
 #endif