revert mmlu tasks

lm_eval/tasks/mmlu/default/mmlu_jurisprudence.yaml

 "dataset_name": "jurisprudence"
 "description": "The following are multiple choice questions (with answers) about jurisprudence.\n\
   \n"
+"group": "mmlu_humanities"
+"group_alias": "humanities"
 "include": "_default_template_yaml"
 "task": "mmlu_jurisprudence"
 "task_alias": "jurisprudence"

lm_eval/tasks/mmlu/default/mmlu_logical_fallacies.yaml

 "dataset_name": "logical_fallacies"
 "description": "The following are multiple choice questions (with answers) about logical\
   \ fallacies.\n\n"
+"group": "mmlu_humanities"
+"group_alias": "humanities"
 "include": "_default_template_yaml"
 "task": "mmlu_logical_fallacies"
-"task_alias": "logical fallacies"
+"task_alias": "logical_fallacies"

lm_eval/tasks/mmlu/default/mmlu_machine_learning.yaml

 "dataset_name": "machine_learning"
 "description": "The following are multiple choice questions (with answers) about machine\
   \ learning.\n\n"
+"group": "mmlu_stem"
+"group_alias": "stem"
 "include": "_default_template_yaml"
 "task": "mmlu_machine_learning"
-"task_alias": "machine learning"
+"task_alias": "machine_learning"

lm_eval/tasks/mmlu/default/mmlu_management.yaml

 "dataset_name": "management"
 "description": "The following are multiple choice questions (with answers) about management.\n\
   \n"
+"group": "mmlu_other"
+"group_alias": "other"
 "include": "_default_template_yaml"
 "task": "mmlu_management"
 "task_alias": "management"

lm_eval/tasks/mmlu/default/mmlu_marketing.yaml

 "dataset_name": "marketing"
 "description": "The following are multiple choice questions (with answers) about marketing.\n\
   \n"
+"group": "mmlu_other"
+"group_alias": "other"
 "include": "_default_template_yaml"
 "task": "mmlu_marketing"
 "task_alias": "marketing"

lm_eval/tasks/mmlu/default/mmlu_medical_genetics.yaml

 "dataset_name": "medical_genetics"
 "description": "The following are multiple choice questions (with answers) about medical\
   \ genetics.\n\n"
+"group": "mmlu_other"
+"group_alias": "other"
 "include": "_default_template_yaml"
 "task": "mmlu_medical_genetics"
-"task_alias": "medical genetics"
+"task_alias": "medical_genetics"

lm_eval/tasks/mmlu/default/mmlu_miscellaneous.yaml

 "dataset_name": "miscellaneous"
 "description": "The following are multiple choice questions (with answers) about miscellaneous.\n\
   \n"
+"group": "mmlu_other"
+"group_alias": "other"
 "include": "_default_template_yaml"
 "task": "mmlu_miscellaneous"
 "task_alias": "miscellaneous"

lm_eval/tasks/mmlu/default/mmlu_moral_disputes.yaml

 "dataset_name": "moral_disputes"
 "description": "The following are multiple choice questions (with answers) about moral\
   \ disputes.\n\n"
+"group": "mmlu_humanities"
+"group_alias": "humanities"
 "include": "_default_template_yaml"
 "task": "mmlu_moral_disputes"
-"task_alias": "moral disputes"
+"task_alias": "moral_disputes"

lm_eval/tasks/mmlu/default/mmlu_moral_scenarios.yaml

 "dataset_name": "moral_scenarios"
 "description": "The following are multiple choice questions (with answers) about moral\
   \ scenarios.\n\n"
+"group": "mmlu_humanities"
+"group_alias": "humanities"
 "include": "_default_template_yaml"
 "task": "mmlu_moral_scenarios"
-"task_alias": "moral scenarios"
+"task_alias": "moral_scenarios"

lm_eval/tasks/mmlu/default/mmlu_nutrition.yaml

 "dataset_name": "nutrition"
 "description": "The following are multiple choice questions (with answers) about nutrition.\n\
   \n"
+"group": "mmlu_other"
+"group_alias": "other"
 "include": "_default_template_yaml"
 "task": "mmlu_nutrition"
 "task_alias": "nutrition"

lm_eval/tasks/mmlu/default/mmlu_philosophy.yaml

 "dataset_name": "philosophy"
 "description": "The following are multiple choice questions (with answers) about philosophy.\n\
   \n"
+"group": "mmlu_humanities"
+"group_alias": "humanities"
 "include": "_default_template_yaml"
 "task": "mmlu_philosophy"
 "task_alias": "philosophy"

lm_eval/tasks/mmlu/default/mmlu_prehistory.yaml

 "dataset_name": "prehistory"
 "description": "The following are multiple choice questions (with answers) about prehistory.\n\
   \n"
+"group": "mmlu_humanities"
+"group_alias": "humanities"
 "include": "_default_template_yaml"
 "task": "mmlu_prehistory"
 "task_alias": "prehistory"

lm_eval/tasks/mmlu/default/mmlu_professional_accounting.yaml

 "dataset_name": "professional_accounting"
 "description": "The following are multiple choice questions (with answers) about professional\
   \ accounting.\n\n"
+"group": "mmlu_other"
+"group_alias": "other"
 "include": "_default_template_yaml"
 "task": "mmlu_professional_accounting"
-"task_alias": "professional accounting"
+"task_alias": "professional_accounting"

lm_eval/tasks/mmlu/default/mmlu_professional_law.yaml

 "dataset_name": "professional_law"
 "description": "The following are multiple choice questions (with answers) about professional\
   \ law.\n\n"
+"group": "mmlu_humanities"
+"group_alias": "humanities"
 "include": "_default_template_yaml"
 "task": "mmlu_professional_law"
-"task_alias": "professional law"
+"task_alias": "professional_law"

lm_eval/tasks/mmlu/default/mmlu_professional_medicine.yaml

 "dataset_name": "professional_medicine"
 "description": "The following are multiple choice questions (with answers) about professional\
   \ medicine.\n\n"
+"group": "mmlu_other"
+"group_alias": "other"
 "include": "_default_template_yaml"
 "task": "mmlu_professional_medicine"
-"task_alias": "professional medicine"
+"task_alias": "professional_medicine"

lm_eval/tasks/mmlu/default/mmlu_professional_psychology.yaml

 "dataset_name": "professional_psychology"
 "description": "The following are multiple choice questions (with answers) about professional\
   \ psychology.\n\n"
+"group": "mmlu_social_sciences"
+"group_alias": "social_sciences"
 "include": "_default_template_yaml"
 "task": "mmlu_professional_psychology"
-"task_alias": "professional psychology"
+"task_alias": "professional_psychology"

lm_eval/tasks/mmlu/default/mmlu_public_relations.yaml

 "dataset_name": "public_relations"
 "description": "The following are multiple choice questions (with answers) about public\
   \ relations.\n\n"
+"group": "mmlu_social_sciences"
+"group_alias": "social_sciences"
 "include": "_default_template_yaml"
 "task": "mmlu_public_relations"
-"task_alias": "public relations"
+"task_alias": "public_relations"

lm_eval/tasks/mmlu/default/mmlu_security_studies.yaml

 "dataset_name": "security_studies"
 "description": "The following are multiple choice questions (with answers) about security\
   \ studies.\n\n"
+"group": "mmlu_social_sciences"
+"group_alias": "social_sciences"
 "include": "_default_template_yaml"
 "task": "mmlu_security_studies"
-"task_alias": "security studies"
+"task_alias": "security_studies"

lm_eval/tasks/mmlu/default/mmlu_sociology.yaml

 "dataset_name": "sociology"
 "description": "The following are multiple choice questions (with answers) about sociology.\n\
   \n"
+"group": "mmlu_social_sciences"
+"group_alias": "social_sciences"
 "include": "_default_template_yaml"
 "task": "mmlu_sociology"
 "task_alias": "sociology"

lm_eval/tasks/mmlu/default/mmlu_us_foreign_policy.yaml

 "dataset_name": "us_foreign_policy"
 "description": "The following are multiple choice questions (with answers) about us\
   \ foreign policy.\n\n"
+"group": "mmlu_social_sciences"
+"group_alias": "social_sciences"
 "include": "_default_template_yaml"
 "task": "mmlu_us_foreign_policy"
-"task_alias": "us foreign policy"
+"task_alias": "us_foreign_policy"