Cleanup ad domains (#2066)

* Remove domains that should not be blocked from -ads

Blocking them will cause some problems.

* Remove unnecessary ad domains

They are subdomains of other ad domains

* Remove facebook domains that should not be blocked

https://github.com/privacy-protection-tools/anti-AD/issues/892

https://github.com/notracking/hosts-blocklists/issues/157

data/youku-ads

@@ -14,8 +14,6 @@ dmapp.youku.com @ads
 e.stat.ykimg.com @ads
 gamex.mobile.youku.com @ads
 guanggaoad.youku.com @ads
-hudong.pl.youku.com @ads
-huodong.pl.youku.com @ads
 huodong.vip.youku.com @ads
 hz.youku.com @ads
 iyes.youku.com @ads
@@ -38,7 +36,6 @@ store.tv.api.3g.youku.com @ads
 store.xl.api.3g.youku.com @ads
 tdrec.youku.com @ads
 test.ott.youku.com @ads
-test.sdk.m.youku.com @ads
 v.l.youku.com @ads
 val.api.youku.com @ads
 wan.youku.com @ads