MDEV-27663 remove SPIDER_USE_CONST_ITEM_FOR_STRING_INT_REAL_DECIMAL_DATE_ITEM

{STRING|INT|REAL|DECIMAL|DATE}_ITEM were replaced with CONST_ITEM in
MDEV-14630 c20cd68e

storage/spider/spd_db_conn.cc

@@ -8573,7 +8573,6 @@ int spider_db_print_item_type(
     case Item::ROW_ITEM:
       DBUG_RETURN(spider_db_open_item_row((Item_row *) item, spider, str,
         alias, alias_length, dbton_id, use_fields, fields));
-#ifdef SPIDER_USE_CONST_ITEM_FOR_STRING_INT_REAL_DECIMAL_DATE_ITEM
     case Item::CONST_ITEM:
     {
       switch (item->cmp_type()) {
@@ -8591,16 +8590,6 @@ int spider_db_print_item_type(
           DBUG_RETURN(spider_db_print_item_type_default(item, spider, str));
       }
     }
-#else
-    case Item::STRING_ITEM:
-      DBUG_RETURN(spider_db_open_item_string(item, field, spider, str,
-        alias, alias_length, dbton_id, use_fields, fields));
-    case Item::INT_ITEM:
-    case Item::REAL_ITEM:
-    case Item::DECIMAL_ITEM:
-      DBUG_RETURN(spider_db_open_item_int(item, field, spider, str,
-        alias, alias_length, dbton_id, use_fields, fields));
-#endif
     case Item::CACHE_ITEM:
       DBUG_RETURN(spider_db_open_item_cache((Item_cache *) item, field, spider,
         str, alias, alias_length, dbton_id, use_fields, fields));

storage/spider/spd_environ.h

@@ -24,7 +24,6 @@
 
 #define HANDLER_HAS_DIRECT_AGGREGATE
 
-#define SPIDER_USE_CONST_ITEM_FOR_STRING_INT_REAL_DECIMAL_DATE_ITEM
 #define SPIDER_SQL_CACHE_IS_IN_LEX
 #define SPIDER_LIKE_FUNC_HAS_GET_NEGATED
 #define HA_HAS_CHECKSUM_EXTENDED