Remove try-except for datasets import - simplify validation script

validate_dataset.py

@@ -5,12 +5,7 @@ Validation script to verify the UTS2017_Bank dataset is properly created and loa
 import json
 from pathlib import Path
 
-try:
-    from datasets import load_dataset
-    DATASETS_AVAILABLE = True
-except ImportError:
-    DATASETS_AVAILABLE = False
-    print("Warning: 'datasets' library not available. Skipping HuggingFace validation.")
+from datasets import load_dataset
 
 
 def validate_file_structure():
@@ -170,8 +165,6 @@ def validate_data_content():
 
 def validate_huggingface_loading():
     """Validate that the dataset can be loaded with HuggingFace datasets."""
-    if not DATASETS_AVAILABLE:
-        return
 
     print("\n" + "=" * 60)
     print("VALIDATING HUGGINGFACE LOADING")