[qutebrowser] Fix notifications config

qutebrowser/.config/qutebrowser/autoconfig.yml

@@ -29,17 +29,6 @@ settings:
     https://meet.google.com: true
     https://modernatx.webex.com: true
     https://teams.microsoft.com: true
-  content.notifications.enabled:
-    https://15five.quip.com: true
-    https://app.slack.com: true
-    https://box.unbl.ink: true
-    https://chatterboxtown.us: true
-    https://lemmy.ml: true
-    https://mailhog.unbl.ink: true
-    https://matrix.unbl.ink: true
-    https://media.unbl.ink: true
-    https://www.reddit.com: true
-    https://www.youtube.com: false
   content.register_protocol_handler:
     https://calendar.google.com?cid=%25s: true
     https://mail.google.com?extsrc=mailto&url=%25s: true