Removed broken translation links (#41359)

* Removed broken translation links

* Remove v4 translations, consolidate v5 ones

---------

Co-authored-by: Mark Otto <markdotto@gmail.com>

site/data/translations.yml

@@ -1,17 +1,12 @@
 - name: 中文(繁體)
   code: zh-tw
-  description: Bootstrap 4 繁體中文手冊
-  url: https://bootstrap.hexschool.com/
+  description: Bootstrap 5 繁體中文手冊
+  url: https://bootstrap5.hexschool.com/
 
-- name: Chinese
-  code: zh
-  description: Bootstrap 4 · 全球最流行的 HTML、CSS 和 JS 工具库。
-  url: https://code.z01.com/v4/
-
-- name: Brazilian Portuguese
-  code: pt-BR
-  description: Bootstrap 4 Português do Brasil
-  url: https://getbootstrap.com.br/v4/
+- name: Simplified Chinese
+  code: zh-CN
+  description: Bootstrap 5 中文文档
+  url: https://v5.bootcss.com/
 
 - name: Japanese
   code: ja
@@ -27,18 +22,3 @@
   code: ko
   description: Bootstrap 5 한국어 문서
   url: https://getbootstrap.kr/
-
-- name: 中文(繁體)
-  code: zh-tw
-  description: Bootstrap 5 繁體中文手冊
-  url: https://bootstrap5.hexschool.com/
-
-- name: Simplified Chinese
-  code: zh-CN
-  description: Bootstrap 5 中文文档
-  url: https://v5.bootcss.com/
-  
-- name: Spanish
-  code: es
-  description: Bootstrap 5 Español
-  url: https://esdocu.net/bootstrap/comenzando/