remove mumble-tor link

cards.json

@@ -111,7 +111,7 @@
       "description": "Mumble is an open source, low-latency, high quality voice chat software primarily intended for use while gaming. It's also great for private calls between yourself and others.",
       "button_text": "Chat!",
       "link": "/mumble/",
-      "tor":"http://l4qlywnpwqsluw65ts7md3khrivpirse744un3x7mlskqauz5pyuzgqd.onion/mumble/"
+      "tor":"#"
     }
   ]
 }