[i18n] Don't generate _redirects for non-en languages

Author: chalin

content/en/_index.md

@@ -4,6 +4,9 @@ description: >-
   High-quality, ubiquitous, and portable telemetry to enable effective
   observability
 show_banner: true
+outputs:
+  - HTML
+  - REDIRECTS # Include this `content/en` ONLY
 developer_note:
   The blocks/cover shortcode (used below) will use as a background image any
   image file containing "background" in its name.

hugo.yaml

@@ -51,7 +51,7 @@ outputFormats:
     notAlternative: true
 
 outputs:
-  home: [HTML, REDIRECTS]
+  home: [HTML]
   section: [HTML]
 
 params: