Update: geolocation-cn (#2326)

* create: category-olympiad-in-informatics

* create: category-ai-cn

data/geolocation-cn

@@ -4,6 +4,9 @@
 include:jiguang
 include:umeng
 
+# AI
+include:category-ai-cn
+
 # Aviation
 include:airchina # 中国国际航空
 include:hainanairlines # 海南航空
@@ -248,24 +251,8 @@ include:chinamobile
 include:chinatelecom
 include:chinaunicom
 
-# 信息学
-include:51nod
-
-acwing.com
-hihocoder.com
-jisuanke.com
-luogu.com.cn
-oi-wiki.com
-openjudge.cn
-uoj.ac
-vijos.org
-
-# LeetCode 中国站
-leetcode.cn
-leetcode-cn.com
-lingkou.xyz
-lingkou.com
-lingkou.cn
+# OI
+include:category-olympiad-in-informatics
 
 # 语言能力测试
 include:j-test