Update contest data

contests_all.json

@@ -1,5 +1,5 @@
 {
-  "generated_at": 1789073949,
+  "generated_at": 1789081528,
   "contests": [
     {
       "platform": "UOJ",
@@ -1113,22 +1113,6 @@
       "status": "upcoming",
       "url": "https://atcoder.jp/contests/abc475"
     },
-    {
-      "platform": "Codeforces",
-      "title": "Codeforces Round 1120 (Div. 1)",
-      "start_time": 1789223700,
-      "end_time": 1789234500,
-      "status": "upcoming",
-      "url": "https://codeforces.com/contests/2262"
-    },
-    {
-      "platform": "Codeforces",
-      "title": "Codeforces Round 1120 (Div. 2)",
-      "start_time": 1789223700,
-      "end_time": 1789234500,
-      "status": "upcoming",
-      "url": "https://codeforces.com/contests/2263"
-    },
     {
       "platform": "AtCoder",
       "title": "AtCoder Heuristic Contest 071",
@@ -1145,14 +1129,6 @@
       "status": "upcoming",
       "url": "https://ac.nowcoder.com/acm/contest/140235"
     },
-    {
-      "platform": "Codeforces",
-      "title": "Codeforces Round 1121 (Div. 2)",
-      "start_time": 1789319100,
-      "end_time": 1789326300,
-      "status": "upcoming",
-      "url": "https://codeforces.com/contests/2264"
-    },
     {
       "platform": "Nowcoder",
       "title": "牛客练习赛157",
@@ -1240,14 +1216,6 @@
       "end_time": 1791795600,
       "status": "upcoming",
       "url": "https://atcoder.jp/contests/aalc001"
-    },
-    {
-      "platform": "Codeforces",
-      "title": "Codeforces Round (Div. 1 + Div. 2)",
-      "start_time": 1792247700,
-      "end_time": 1792258500,
-      "status": "upcoming",
-      "url": "https://codeforces.com/contests/2261"
     }
   ]
 }