HPCC-8833 Remove unused macro definition

Signed-off-by: Gavin Halliday <gavin.halliday@lexisnexis.com>

ecl/hthor/hthorkey.cpp

@@ -28,7 +28,6 @@
 
 #define MAX_FETCH_LOOKAHEAD 1000
 #define IGNORE_FORMAT_CRC_MISMATCH_WHEN_NO_METADATA
-#define DEFAULT_KJ_PRESERVES_ORDER 1
 
 using roxiemem::IRowManager;
 using roxiemem::OwnedRoxieRow;

thorlcr/activities/keyedjoin/thkeyedjoinslave.cpp

@@ -69,7 +69,6 @@
 #define FETCHKEY_HEADER_SIZE (sizeof(offset_t)+sizeof(void *))
 #define DEFAULTMAXRESULTPULLPOOL 1
 #define DEFAULTFREEQSIZE 10
-#define DEFAULT_KJ_PRESERVES_ORDER 1
 #define LOWTHROTTLE_GRANULARITY 10
 
 class CJoinGroup;