Remove creation of api. redis. and elasticsearch.srv-int. CNAMEs

Remove elasticsearch.srv-int. (and in fact the whole r53-ci-cname.template)
Merge branch 'remove-creation-of-logsearch.cityindex.io-dns-records' of https://github.com/cityindex/logsearch into remove-creation-of-logsearch.cityindex.io-dns-records