[Infra] Standardize language descriptors (#9551)

Signed-off-by: Vitor Vasconcellos <vvasconcellos1@gmail.com>

Author: vitorvasc

config/_default/hugo.yaml

@@ -18,7 +18,7 @@ languages:
     params:
       description: The OpenTelemetry Project Site
   bn:
-    languageName: বাংলা (Bengali)
+    languageName: বাংলা
     params:
       description: ওপেনটেলিমেট্রি প্রকল্পের সাইট
   es:
@@ -30,15 +30,15 @@ languages:
     params:
       description: Site du projet OpenTelemetry
   ja:
-    languageName: 日本語 (Japanese)
+    languageName: 日本語
     params:
       description: OpenTelemetryプロジェクト公式サイト
       notes:
         docker-compose-v2: |
           `docker-compose` は非推奨です. 詳細は、
           [Migrate to Compose V2](https://docs.docker.com/compose/) を確認してください。
   pl:
-    languageName: Polski (Polish)
+    languageName: Polski
     languageCode: pl-PL
     params:
       description: Strona projektu OpenTelemetry
@@ -48,17 +48,17 @@ languages:
     params:
       description: Site do Projeto OpenTelemetry
   ro:
-    languageName: Română (Romanian)
+    languageName: Română
     languageCode: ro-RO
     params:
       description: Site-ul proiectului OpenTelemetry
   uk:
-    languageName: Українська (Ukrainian)
+    languageName: Українська
     languageCode: uk-UA
     params:
       description: Сайт проєкту OpenTelemetry
   zh:
-    languageName: 中文 (Chinese)
+    languageName: 中文
     languageCode: zh-CN
     params:
       description: OpenTelemetry 项目网站