MariaRocks port: update ha_rocksdb::delete_all_rows() to match the definition in class handler

storage/rocksdb/ha_rocksdb.cc

@@ -8253,7 +8253,7 @@ int ha_rocksdb::index_end()
 }
 
 
-int ha_rocksdb::delete_all_rows(ha_rows* nrows)
+int ha_rocksdb::delete_all_rows()
 {
   DBUG_ENTER("ha_rocksdb::delete_all_rows");
   /*

storage/rocksdb/ha_rocksdb.h

@@ -911,7 +911,7 @@ class ha_rocksdb: public my_core::handler
     __attribute__((__warn_unused_result__));
   int external_lock(THD *thd, int lock_type)
     __attribute__((__warn_unused_result__));
-  int delete_all_rows(ha_rows* nrows) __attribute__((__warn_unused_result__));
+  int delete_all_rows() __attribute__((__warn_unused_result__));
   int truncate() __attribute__((__warn_unused_result__));
 
   int reset() override