Update mgsm_cot_native_bn.yaml

lm_eval/tasks/mgsm/native_cot/mgsm_cot_native_bn.yaml

 # Generated by utils.py
-dataset_name: bn
-doc_to_target: '{% if answer is not none %}{{answer[16+1]}}{% else %}{{answer_number|string}}{%
-  endif %}'
-doc_to_text: '{% if answer is not none %}{{question+"\nধাপে ধাপে উত্তর:"}}{% else
-  %}{{"প্রশ্ন: "+question+"\nধাপে ধাপে উত্তর:"}}{% endif %}'
-filter:
-- function: regex
-  regex_pattern: The answer is (\-?[0-9\.\,]+)
-- function: take_first
-filter_list:
-- name: get-answer
 include: cot_yaml
 task: mgsm_bn_direct
+dataset_name: bn
+doc_to_target: '{% if answer is not none %}{{answer[16+1]}}{% else %}{{answer_number|string}}{% endif %}'
+doc_to_text: '{% if answer is not none %}{{question+"\nধাপে ধাপে উত্তর:"}}{% else %}{{"প্রশ্ন: "+question+"\nধাপে ধাপে উত্তর:"}}{% endif %}'