Fix qutebrowser reddit js whitelist

Unblock javascript only on old.reddit.com domain, since that is the one
I am using. I don't want to unblock on the new design.

qutebrowser/.config/qutebrowser/config.py

@@ -23,6 +23,7 @@ c.content.host_blocking.lists = [
     "http://pgl.yoyo.org/adservers/serverlist.php?hostformat=hosts&mimetype=plaintext",
 ]
 c.content.host_blocking.whitelist = ['piwik.org']
+c.content.autoplay = False
 
 c.content.pdfjs = False
 c.content.javascript.enabled = False
@@ -39,7 +40,7 @@ js_whitelist = [
     "*://mail.google.com/*",
     "*://maps.google.com/*",
     "*://news.ycombinator.com/*",
-    "*://reddit.com/*",
+    "*://old.reddit.com/*",
     "*://todoist.com/*",
     "*://toggl.com/*",
     "*://translate.google.com/*",