google-chrome: remove meta.changelog

It's useless to link to the main page, and there's no good way to link the
appropriate post automatically based on the version number. So I unset this.

pkgs/by-name/go/google-chrome/package.nix

@@ -344,7 +344,6 @@ let
   passthru.updateScript = ./update.sh;
 
   meta = {
-    changelog = "https://chromereleases.googleblog.com/";
     description = "Freeware web browser developed by Google";
     homepage = "https://www.google.com/chrome/browser/";
     license = lib.licenses.unfree;