Try hard to make the service actually disable

room_cal/config.json

@@ -29,12 +29,6 @@
       "fees": {
         "commission": 0.15
       }
-    },
-    "homestay": {
-      "name": "Homestay",
-      "fees": {
-        "client_fee": 0.16
-      }
     }
   },
   "rules": {