category-ads: clean up and enhancement (#2909)

* sina-ads: clean up

drop some problematic/unreliable/stale rules

* iqiyi-ads: clean up

drop some problematic/unreliable/stale rules

* youku-ads: clean up

drop some problematic/unreliable/stale rules

* alibaba-ads: clean up

drop some problematic/unreliable/stale rules

* baidu-ads: clean up

drop some problematic/unreliable/stale rules

* sohu-ads: clean up

drop some problematic/unreliable/stale rules

* tencent-ads: add more domains

* google-ads: add more domains

* category-ads: reinclude meta-ads

It should be safe to be included now.

This reverts commit 24c112a6e3.

* category-ads: add more domains

* Add ads attr for more domains

data/iqiyi-ads

@@ -1,17 +1,10 @@
-a.ckm.iqiyi.com @ads
 ad.m.iqiyi.com @ads
 afp.iqiyi.com @ads
 c.uaa.iqiyi.com @ads
 cloudpush.iqiyi.com @ads
-cm.passport.iqiyi.com @ads
 cupid.iqiyi.com @ads
-emoticon.sns.iqiyi.com @ads
-gamecenter.iqiyi.com @ads
-hotchat-im.iqiyi.com @ads
 ifacelog.iqiyi.com @ads
 mbdlog.iqiyi.com @ads
-msg.71.am @ads
 msg.video.qiyi.com @ads
 msg2.video.qiyi.com @ads
 policy.video.iqiyi.com @ads
-yuedu.iqiyi.com @ads