few Google Earth used domain is no longer available in China (#418)

* kh.google.com is no longer available in China

Test result:
![1](https://user-images.githubusercontent.com/515763/108320972-772cf900-71fe-11eb-810e-4b87029dbf96.png)

ref: https://github.com/shadowsocks/shadowsocks-windows/issues/3103

* khm0.google.com (etc) is no longer available in China too.

thanks/ref: https://github.com/v2fly/domain-list-community/pull/418#issuecomment-781130265

data/google

@@ -524,9 +524,7 @@ zukunftswerkstatt.de
 # Domains and services below are available in China mainland
 # Use in config file like this: "geosite:google@cn"
 full:csi-china.l.google.com @cn
-full:kh.google.com @cn
 full:www.recaptcha.net @cn
-regexp:^khm([0-3]|db)?\.google(apis)?\.com$ @cn
 
 # The rules below are from https://github.com/felixonmars/dnsmasq-china-list/blob/master/google.china.conf
 full:265.com @cn