[websites/eco-kde-org] content/opt-green-handbook: Remove lang

Git commit 5c9fc76262ca8462b56ae6bd72ca2d220fb3cb61 by Johnny Jazeix.
Committed on 25/07/2026 at 16:05.
Pushed by jjazeix into branch 'master'.

Remove lang

it is translatable and causes issues if people don't set the correct language

M  +0    -1    content/opt-green-handbook/index.md

https://invent.kde.org/websites/eco-kde-org/-/commit/5c9fc76262ca8462b56ae6bd72ca2d220fb3cb61

diff --git a/content/opt-green-handbook/index.md b/content/opt-green-handbook/index.md
index a92ed77..0c10bb7 100644
--- a/content/opt-green-handbook/index.md
+++ b/content/opt-green-handbook/index.md
@@ -8,7 +8,6 @@ date: 26 February 2026
 title: "Opting Green"
 subtitle: "How Sustainable Software Makes for Sustainable Hardware"
 date: "2026-02-26"
-lang: "en"
 toc : true
 toc-own-page : true
 toc-depth : 2