MDEV-27660 Remove #ifdef SPIDER_HANDLER_START_BULK_INSERT_HAS_FLAGS

The flag argument was added to handler::start_bulk_insert() in
the MDEV-539 commit
ca2cdaad

storage/spider/ha_spider.cc

@@ -9075,16 +9075,10 @@ void ha_spider::release_auto_increment()
   DBUG_VOID_RETURN;
 }
 
-#ifdef SPIDER_HANDLER_START_BULK_INSERT_HAS_FLAGS
 void ha_spider::start_bulk_insert(
   ha_rows rows,
   uint flags
 )
-#else
-void ha_spider::start_bulk_insert(
-  ha_rows rows
-)
-#endif
 {
   DBUG_ENTER("ha_spider::start_bulk_insert");
   DBUG_PRINT("info",("spider this=%p", this));

storage/spider/ha_spider.h

@@ -469,16 +469,10 @@ class ha_spider final : public handler
     ulonglong value
   ) override;
   void release_auto_increment() override;
-#ifdef SPIDER_HANDLER_START_BULK_INSERT_HAS_FLAGS
   void start_bulk_insert(
     ha_rows rows,
     uint flags
   ) override;
-#else
-  void start_bulk_insert(
-    ha_rows rows
-  );
-#endif
   int end_bulk_insert() override;
   int write_row(
     const uchar *buf

storage/spider/spd_environ.h

@@ -20,8 +20,6 @@
 
 #ifndef SPD_ENVIRON_INCLUDED
 
-#define SPIDER_HANDLER_START_BULK_INSERT_HAS_FLAGS
-
 #define SPIDER_SUPPORT_CREATE_OR_REPLACE_TABLE
 
 #define HANDLER_HAS_TOP_TABLE_FIELDS