Minor Code cleanup in utils file

utils.py

@@ -42,15 +42,8 @@ def keep_devnagri_hf_doc(document):
         return cleaned_text
 
     if batched:
-        text_ls = document['text']
-        cleaned_text_ls = []
-        for text in text_ls:
-            cleaned_text = get_clean_text(text)
-            cleaned_text_ls.append(cleaned_text)    
-        document['text'] = cleaned_text_ls
+        document['text'] = [get_clean_text(text) for text in document['text']]
     else:
-        text = document['text']
-        cleaned_text = get_clean_text(text)
-        document['text'] = cleaned_text
+        document['text'] = get_clean_text(document['text'])
     
     return document