fix: remove duplicate line

assets/config.json

@@ -12,6 +12,5 @@
     "linux": "https://github.com/jitsi/jitsi-meet-electron/releases",
     "ios": "https://apps.apple.com/app/jitsi-meet/id1165103905",
     "android": "https://play.google.com/store/apps/details?id=org.jitsi.meet"
-  },
-  "allowAdhocMeetings": true
+  }
 }