♻️ Simplify internal docs script (#11777)

scripts/mkdocs_hooks.py

@@ -39,7 +39,7 @@ def on_config(config: MkDocsConfig, **kwargs: Any) -> MkDocsConfig:
     lang = dir_path.parent.name
     if lang in available_langs:
         config.theme["language"] = lang
-    if not (config.site_url or "").endswith(f"{lang}/") and not lang == "en":
+    if not (config.site_url or "").endswith(f"{lang}/") and lang != "en":
         config.site_url = f"{config.site_url}{lang}/"
     return config