fix link to Tor onion service

share/goodie/duck_duck_go/responses.yml

@@ -207,7 +207,7 @@ tor:
     - torhiddenservice
   title: "DuckDuckGo is available on Tor"
   subtitle: "Visit our onion address"
-  url: http://3g2upl4pq6kufc4m.onion.link
+  url: http://3g2upl4pq6kufc4m.onion  # only available via the Tor Browser
 traffic:
   title: "Looking for our traffic stats?"
   subtitle: "Visit the DuckDuckGo traffic page"

t/DuckDuckGo.t

@@ -93,13 +93,13 @@ my @merch_result = (
         }
     });
 my @tor_result = (
-    'DuckDuckGo is available on Tor http://3g2upl4pq6kufc4m.onion.link',
+    'DuckDuckGo is available on Tor http://3g2upl4pq6kufc4m.onion',
     structured_answer => {
         data => {
             title => 'DuckDuckGo is available on Tor',
             subtitle_image => undef,
             subtitle_text => 'Visit our onion address',
-            subtitle_url => 'http://3g2upl4pq6kufc4m.onion.link'
+            subtitle_url => 'http://3g2upl4pq6kufc4m.onion'
         },
         templates => {
             group => 'text',