Fix JSON formatting in manifest.json

Author: xw2d1

minecraft_servers/pvplab/manifest.json

@@ -26,13 +26,9 @@
   "social": {
     "discord": "https://discord.pvplab.world"
   },
-  "discord": {
-    "server_id": 1491892781679906876,
-    "rename_to_minecraft_name": true
-  },
   "location": {
     "city": "Frankfurt",
     "country": "Germany",
     "country_code": "DE"
   }
-}
+}