fix(api): include deleted monitors in name-based lookups

Remove status filter from GetMonitorByNameAndIPVersion query to allow
historical score data for deleted monitors to be accessible when
querying by monitor name/TLS name, making behavior consistent with
ID-based queries.

query.sql

@@ -52,8 +52,7 @@ select * from monitors
 where
   tls_name like sqlc.arg('tls_name') AND
   (ip_version = sqlc.arg('ip_version') OR (type = 'score' AND ip_version IS NULL)) AND
-  is_current = 1 AND
-  status != 'deleted'
+  is_current = 1
   order by id
   limit 1;