remove dead code and move imports

Author: atomprobe-tc

src/pynxtools/dataconverter/chunk.py

@@ -17,6 +17,9 @@
 #
 """Configuration defaults of the dataconverter."""
 
+import numpy as np
+
+from pynxtools.dataconverter.helpers import logger
 
 # HDF5 data storage layout for HDF5 datasets is "contiguous" unless
 # one wraps the payload for a dataconverter template into a dictionary with
@@ -72,13 +75,6 @@
 
 CHUNK_CONFIG_DEFAULT = CHUNK_CONFIG_HFIVEPY
 
-import numpy as np
-
-# from pynxtools.dataconverter.chunk import CHUNK_CONFIG_DEFAULT
-from pynxtools.dataconverter.helpers import logger
-
-"""Utilities for overwriting h5py chunking heuristic to consider domain-specific access pattern."""
-
 
 def prioritized_axes_heuristic(
     data: np.ndarray,