Revert "nit"

This reverts commit 6a97f83.

lm_eval/tasks/llama3/instruct/mmlu/_continuation_template_yaml

@@ -6,7 +6,7 @@ fewshot_config:
   sampler: first_n
 doc_to_text: "Given the following question and four candidate answers (A, B, C and D), choose the best answer.\n{{question.strip()}}\nA. {{choices[0]}}\nB. {{choices[1]}}\nC. {{choices[2]}}\nD. {{choices[3]}}\nYour response should end with \"The best answer is [the_answer_letter]\" where the [the_answer_letter] is one of A, B, C or D."
 assistant_prefix: "The best answer is"
-doc_to_target: "{{target}}"
+doc_to_target: "{{['A.','B.','C.','D.'][answer]}}"
 num_fewshot: 5
 metric_list:
   - metric: exact_match
@@ -16,6 +16,8 @@ metric_list:
     ignore_punctuation: true
     regexes_to_ignore:
       - "."
+      - "\\$"
+      - "\\.$"
 generation_kwargs:
   until:
     - "."