Several updates (#2587)

* acfun: add more domains

* microsoft: add msidentity.com

* category-ai-cn: remove redundant entry

The dedicated deepseek file has been included, so this one is redundant.

* catefory-education-cn: add more domains

data/category-ai-cn

@@ -42,9 +42,6 @@ hunyuan.tencent.com
 # 百川智能
 baichuan-ai.com
 
-# 深度求索
-deepseek.com
-
 botvip.cn
 liblib.art