add route to sync dns records

merge the mail dns route with this one as well

fixes #737

src/routes/mail.js

@@ -3,8 +3,6 @@
 exports = module.exports = {
     getDomain,
 
-    setDnsRecords,
-
     getStatus,
 
     setMailFromValidation,
@@ -50,21 +48,6 @@ function getDomain(req, res, next) {
     });
 }
 
-function setDnsRecords(req, res, next) {
-    assert.strictEqual(typeof req.body, 'object');
-    assert.strictEqual(typeof req.params.domain, 'string');
-
-    // can take a setup all the DNS entries. this is mostly because some backends try to list DNS entries (DO)
-    // for upsert and this takes a lot of time
-    req.clearTimeout();
-
-    mail.setDnsRecords(req.params.domain, function (error) {
-        if (error) return next(BoxError.toHttpError(error));
-
-        next(new HttpSuccess(201));
-    });
-}
-
 function getStatus(req, res, next) {
     assert.strictEqual(typeof req.params.domain, 'string');