Let Google discover the canonical we just added.

JulienPalard · JulienPalard · commit c49181f1387c · 2023-03-07T18:22:07.000+01:00
diff --git a/templates/robots.txt b/templates/robots.txt
@@ -16,7 +16,3 @@ Disallow: /2.5/
 Disallow: /2.6/
 Disallow: /2.7/
 Disallow: /3.0/
-Disallow: /3.1/
-Disallow: /3.2/
-Disallow: /3.3/
-Disallow: /3.4/
