Cleanup 4

Author: GrigoriyPA

ydb/library/yql/dq/runtime/dq_arrow_helpers.cpp

@@ -1074,7 +1074,7 @@ class TBlockSplitter : public IBlockSplitter {
                 SplitStack.emplace_back(item.PopBack(item.GetNumberRows() / 2));
             }
 
-            result.emplace_back(std::move(item.ExtractData()));
+            result.emplace_back(item.ExtractData());
         }
 
         return result;