fix CI: no usage.md page in Ja

vindarel · vindarel · commit f351151e5718 · 2025-08-12T13:49:58.000+02:00
diff --git a/content/ja/_index.md b/content/ja/_index.md
@@ -52,5 +52,3 @@ It brings graphics and mouse support, as well as games and over 180
 colour themes.
 
 {{< /columns >}}
-
-{{< button size="large" relref="usage/usage/" >}}See the documentation{{< /button >}}
