MDEV-27811 Spider: remove #ifdef SPIDER_MDEV_16246

Reviewed by: Nayuta Yanagisawa

Author: u16suzu

storage/spider/ha_spider.cc

@@ -8173,7 +8173,6 @@ bool ha_spider::check_direct_update_sql_part(
   DBUG_RETURN(FALSE);
 }
 
-#ifdef SPIDER_MDEV_16246
 /**
   Perform initialization for a direct update request.
 
@@ -8186,9 +8185,6 @@ bool ha_spider::check_direct_update_sql_part(
 int ha_spider::direct_update_rows_init(
   List<Item> *update_fields
 )
-#else
-int ha_spider::direct_update_rows_init()
-#endif
 {
   st_select_lex *select_lex;
   longlong select_limit;

storage/spider/ha_spider.h

@@ -422,13 +422,9 @@ class ha_spider final : public handler
     longlong select_limit,
     longlong offset_limit
   );
-#ifdef SPIDER_MDEV_16246
   int direct_update_rows_init(
     List<Item> *update_fields
   );
-#else
-  int direct_update_rows_init();
-#endif
   int direct_update_rows(
     ha_rows *update_rows,
     ha_rows *found_row

storage/spider/spd_environ.h

@@ -26,6 +26,5 @@
 #define HA_EXTRA_HAS_STARTING_ORDERED_INDEX_SCAN
 #define HANDLER_HAS_CAN_USE_FOR_AUTO_INC_INIT
 #define SPIDER_UPDATE_ROW_HAS_CONST_NEW_DATA
-#define SPIDER_MDEV_16246
 #define SPIDER_I_S_USE_SHOW_FOR_COLUMN
 #endif /* SPD_ENVIRON_INCLUDED */