upgrade deps

packages/hydrooj/package.json

@@ -34,7 +34,7 @@
         "serialize-javascript": "^5.0.1",
         "sockjs": "^0.3.20",
         "superagent": "^6.1.0",
-        "systeminformation": "5.6.7",
+        "systeminformation": "5.6.8",
         "wtfnode": "^0.8.4",
         "yargs": "^16.2.0"
     },

packages/hydrooj/src/lib/rating.ts

@@ -2,15 +2,10 @@
 
 class User {
     uid: number;
-
     rank: number;
-
     old: number;
-
     seed?: number;
-
     delta?: number;
-
     new?: number;
 
     constructor(rank: number, old: number, uid = 0) {