[model_cards] Switch all languages codes to ISO-639-{1,2,3}

model_cards/voidful/albert_chinese_base/README.md

@@ -1,6 +1,5 @@
 ---
-language:
-- chinese
+language: zh
 ---
 
 # albert_chinese_base

model_cards/voidful/albert_chinese_large/README.md

@@ -1,6 +1,5 @@
 ---
-language:
-- chinese
+language: zh
 ---
 
 # albert_chinese_large

model_cards/voidful/albert_chinese_small/README.md

@@ -1,6 +1,5 @@
 ---
-language:
-- chinese
+language: zh
 ---
 
 # albert_chinese_small

model_cards/voidful/albert_chinese_tiny/README.md

@@ -1,6 +1,5 @@
 ---
-language:
-- chinese
+language: zh
 ---
 
 # albert_chinese_tiny

model_cards/voidful/albert_chinese_xlarge/README.md

@@ -1,6 +1,5 @@
 ---
-language:
-- chinese
+language: zh
 ---
 
 # albert_chinese_xlarge

model_cards/voidful/albert_chinese_xxlarge/README.md

@@ -1,6 +1,5 @@
 ---
-language:
-- chinese
+language: zh
 ---
 
 # albert_chinese_xxlarge