Remove deprecated es.http.cname_in_publish_address setting (#45616)

Follow up on #32806.

The system property es.http.cname_in_publish_address is deprecated
starting from 7.0.0 and deprecation warning should be added if the
property is specified.
This commit goes to 7.x and master.
Follow-up PR to remove es.http.cname_in_publish_address property
completely will go to the master.

Author: Andrey Ershov