Update category-documents-cn (#3339)

* remove doc88 and docin

too few rules inside

* category-documents-cn: add more domains

data/geolocation-cn

@@ -606,7 +606,6 @@ ycrx360.com
 35.com
 3533.com
 360aiyi.com
-360doc.com
 360jq.com
 360zhyx.com
 365azw.com
@@ -1467,7 +1466,6 @@ youxigt.com
 youzu.com
 yoyojie.com
 yoyou.com
-ypppt.com
 yrz.name
 yslyhr.com
 ysten.com