update mrl subsets

lm_eval/tasks/mrl/gen/fao_latn.yaml

 include: '_template'
-task: mrl_gen_fao_latn
+task: fao_latn
 dataset_name: fao_latn

lm_eval/tasks/mrl/gen/fin_latn.yaml

 include: '_template'
-task: mrl_gen_fin_latn
+task: fin_latn
 dataset_name: fin_latn

lm_eval/tasks/mrl/gen/fra_latn_cana.yaml

 include: '_template'
-task: mrl_gen_fra_latn_cana
+task: fra_latn_cana
 dataset_name: fra_latn_cana

lm_eval/tasks/mrl/gen/fra_latn_fran.yaml

 include: '_template'
-task: mrl_gen_fra_latn_fran
+task: fra_latn_fran
 dataset_name: fra_latn_fran

lm_eval/tasks/mrl/gen/glg_latn.yaml

 include: '_template'
-task: mrl_gen_glg_latn
+task: glg_latn
 dataset_name: glg_latn

lm_eval/tasks/mrl/gen/guj_gujr.yaml

 include: '_template'
-task: mrl_gen_guj_gujr
+task: guj_gujr
 dataset_name: guj_gujr

lm_eval/tasks/mrl/gen/hau_latn.yaml

 include: '_template'
-task: mrl_gen_hau_latn
+task: hau_latn
 dataset_name: hau_latn

lm_eval/tasks/mrl/gen/haw_latn.yaml

 include: '_template'
-task: mrl_gen_haw_latn
+task: haw_latn
 dataset_name: haw_latn

lm_eval/tasks/mrl/gen/heb_hebr.yaml

 include: '_template'
-task: mrl_gen_heb_hebr
+task: heb_hebr
 dataset_name: heb_hebr

lm_eval/tasks/mrl/gen/hin_deva.yaml

 include: '_template'
-task: mrl_gen_hin_deva
+task: hin_deva
 dataset_name: hin_deva

lm_eval/tasks/mrl/gen/hrv_latn.yaml

 include: '_template'
-task: mrl_gen_hrv_latn
+task: hrv_latn
 dataset_name: hrv_latn

lm_eval/tasks/mrl/gen/hun_latn.yaml

 include: '_template'
-task: mrl_gen_hun_latn
+task: hun_latn
 dataset_name: hun_latn

lm_eval/tasks/mrl/gen/hye_armn.yaml

 include: '_template'
-task: mrl_gen_hye_armn
+task: hye_armn
 dataset_name: hye_armn

lm_eval/tasks/mrl/gen/ibo_latn.yaml

 include: '_template'
-task: mrl_gen_ibo_latn
+task: ibo_latn
 dataset_name: ibo_latn

lm_eval/tasks/mrl/gen/idu_latn.yaml

 include: '_template'
-task: mrl_gen_idu_latn
+task: idu_latn
 dataset_name: idu_latn

lm_eval/tasks/mrl/gen/ind_latn.yaml

 include: '_template'
-task: mrl_gen_ind_latn
+task: ind_latn
 dataset_name: ind_latn

lm_eval/tasks/mrl/gen/isl_latn.yaml

 include: '_template'
-task: mrl_gen_isl_latn
+task: isl_latn
 dataset_name: isl_latn

lm_eval/tasks/mrl/gen/iso_latn.yaml

 include: '_template'
-task: mrl_gen_iso_latn
+task: iso_latn
 dataset_name: iso_latn

lm_eval/tasks/mrl/gen/ita_latn.yaml

 include: '_template'
-task: mrl_gen_ita_latn
+task: ita_latn
 dataset_name: ita_latn

lm_eval/tasks/mrl/gen/jav_latn.yaml

 include: '_template'
-task: mrl_gen_jav_latn
+task: jav_latn
 dataset_name: jav_latn