add warning for 0ul sample volumes

cg_lims/EPPs/udf/calculate/aliquot_volume.py

@@ -57,7 +57,7 @@ def volumes_below_threshold(
     minimum_volume: float, sample_volume: float, buffer_volume: float
 ) -> bool:
     """Check if volume aliquots are below the given threshold."""
-    return (sample_volume != 0 and sample_volume < minimum_volume) or (
+    return (sample_volume < minimum_volume) or (
         buffer_volume != 0 and buffer_volume < minimum_volume
     )
 
@@ -96,9 +96,6 @@ def calculate_volumes(
             sample_volume=round(sample_volume, 2),
             buffer_volume=round(buffer_volume, 2),
         ):
-            print(
-                f"sample {get_one_sample_from_artifact(artifact=art).id} has sample vol {round(sample_volume, 2)} and buffer vol {round(buffer_volume, 2)}"
-            )
             samples_below_threshold.append(get_one_sample_from_artifact(artifact=art).id)
 
         set_volumes(