[VL] Makes `resizeBatches.shuffleOutput` work only for hash shuffle

[wForget]

Description

The sort-based shuffle reader already respects the batch size configuration, so we don't need to support resizeBatches.shuffleOutput for it.

https://github.com/apache/incubator-gluten/blob/2f7b138f24f16a249cea57217e50962d3b1a8ee4/cpp/velox/shuffle/VeloxShuffleReader.cc#L602

Gluten version

None