update mrl subsets

lm_eval/tasks/mrl/gen/jpn_jpan.yaml

 include: '_template'
-task: mrl_gen_jpn_jpan
+task: jpn_jpan
 dataset_name: jpn_jpan

lm_eval/tasks/mrl/gen/kan_knda.yaml

 include: '_template'
-task: mrl_gen_kan_knda
+task: kan_knda
 dataset_name: kan_knda

lm_eval/tasks/mrl/gen/kat_geor.yaml

 include: '_template'
-task: mrl_gen_kat_geor
+task: kat_geor
 dataset_name: kat_geor

lm_eval/tasks/mrl/gen/kaz_cyrl.yaml

 include: '_template'
-task: mrl_gen_kaz_cyrl
+task: kaz_cyrl
 dataset_name: kaz_cyrl

lm_eval/tasks/mrl/gen/kin_latn.yaml

 include: '_template'
-task: mrl_gen_kin_latn
+task: kin_latn
 dataset_name: kin_latn

lm_eval/tasks/mrl/gen/kir_cyrl.yaml

 include: '_template'
-task: mrl_gen_kir_cyrl
+task: kir_cyrl
 dataset_name: kir_cyrl

lm_eval/tasks/mrl/gen/kor_hang.yaml

 include: '_template'
-task: mrl_gen_kor_hang
+task: kor_hang
 dataset_name: kor_hang

lm_eval/tasks/mrl/gen/lin_latn.yaml

 include: '_template'
-task: mrl_gen_lin_latn
+task: lin_latn
 dataset_name: lin_latn

lm_eval/tasks/mrl/gen/lit_latn.yaml

 include: '_template'
-task: mrl_gen_lit_latn
+task: lit_latn
 dataset_name: lit_latn

lm_eval/tasks/mrl/gen/luo_latn.yaml

 include: '_template'
-task: mrl_gen_luo_latn
+task: luo_latn
 dataset_name: luo_latn

lm_eval/tasks/mrl/gen/mal_mlym.yaml

 include: '_template'
-task: mrl_gen_mal_mlym
+task: mal_mlym
 dataset_name: mal_mlym

lm_eval/tasks/mrl/gen/mar_deva.yaml

 include: '_template'
-task: mrl_gen_mar_deva
+task: mar_deva
 dataset_name: mar_deva

lm_eval/tasks/mrl/gen/mkd_cyrl.yaml

 include: '_template'
-task: mrl_gen_mkd_cyrl
+task: mkd_cyrl
 dataset_name: mkd_cyrl

lm_eval/tasks/mrl/gen/mni_beng.yaml

 include: '_template'
-task: mrl_gen_mni_beng
+task: mni_beng
 dataset_name: mni_beng

lm_eval/tasks/mrl/gen/mni_mtei.yaml

 include: '_template'
-task: mrl_gen_mni_mtei
+task: mni_mtei
 dataset_name: mni_mtei

lm_eval/tasks/mrl/gen/nag_latn.yaml

 include: '_template'
-task: mrl_gen_nag_latn
+task: nag_latn
 dataset_name: nag_latn

lm_eval/tasks/mrl/gen/nld_latn.yaml

 include: '_template'
-task: mrl_gen_nld_latn
+task: nld_latn
 dataset_name: nld_latn

lm_eval/tasks/mrl/gen/nno_latn.yaml

 include: '_template'
-task: mrl_gen_nno_latn
+task: nno_latn
 dataset_name: nno_latn

lm_eval/tasks/mrl/gen/nob_latn.yaml

 include: '_template'
-task: mrl_gen_nob_latn
+task: nob_latn
 dataset_name: nob_latn

lm_eval/tasks/mrl/gen/npi_deva.yaml

 include: '_template'
-task: mrl_gen_npi_deva
+task: npi_deva
 dataset_name: npi_deva