Change the changelog link to link to prettier/prettier (#3564)

* Change the changelog link to link to prettier/prettier

* Fix changelog links

* Double quotes

website/static/playground.js

@@ -96,8 +96,8 @@ window.onload = function() {
             prettierVersion;
         } else {
           link.href =
-            "https://github.com/j-f1/forked-prettier/blob/master/CHANGELOG.md#" +
-            prettierVersion;
+            "https://github.com/prettier/prettier/blob/master/CHANGELOG.md#" +
+            prettierVersion.replace(/\./g, "");
         }
         link.textContent = "v" + prettierVersion;
       }