Remove apex zone check

src/service/http.rs

@@ -253,7 +253,6 @@ impl Service {
             dns_records: &'a [service::ConfigDNSRecord],
             challenge_token: String,
 
-            domain_is_zone_apex: bool,
             dns_records_have_cname: bool,
         }
 
@@ -274,8 +273,6 @@ impl Service {
             }
         };
 
-        // TODO this is wrong, e.g. something.co.uk
-        let domain_is_zone_apex = args.domain.as_rr().num_labels() == 2;
         let dns_records_have_cname = self.config.dns_records.iter().any(|r| match r {
             service::ConfigDNSRecord::CNAME { .. } => true,
             _ => false,
@@ -297,7 +294,6 @@ impl Service {
                 dns_records: &self.config.dns_records,
                 challenge_token: settings_hash,
 
-                domain_is_zone_apex,
                 dns_records_have_cname,
             },
         )

src/service/http/tpl/domain_init.html

@@ -58,11 +58,11 @@ query for your domain name. It can be <strong>one or more of</strong>:</p>
   {{ /each }}
 </table>
 
-{{ #if data.domain_is_zone_apex }}{{ #if data.dns_records_have_cname }}
+{{ #if data.dns_records_have_cname }}
 <p>(Please note that not all DNS providers support putting a CNAME at the zone
 apex, while others support it via an alternative record type like ALIAS or
 ANAME.)</p>
-{{ /if }}{{ /if }}
+{{ /if }}
 
 <p>Once both entries are installed, you can hit the following button to check
 your configuration and set up your domain.</p>