remove mail domain add/remove API

merge this as a transaction into domains API

fixes #669

src/routes/mail.js

@@ -2,8 +2,6 @@
 
 exports = module.exports = {
     getDomain: getDomain,
-    addDomain: addDomain,
-    removeDomain: removeDomain,
 
     setDnsRecords: setDnsRecords,
 
@@ -50,18 +48,6 @@ function getDomain(req, res, next) {
     });
 }
 
-function addDomain(req, res, next) {
-    assert.strictEqual(typeof req.body, 'object');
-
-    if (typeof req.body.domain !== 'string') return next(new HttpError(400, 'domain must be a string'));
-
-    mail.addDomain(req.body.domain, function (error) {
-        if (error) return next(BoxError.toHttpError(error));
-
-        next(new HttpSuccess(201, { domain: req.body.domain }));
-    });
-}
-
 function setDnsRecords(req, res, next) {
     assert.strictEqual(typeof req.body, 'object');
     assert.strictEqual(typeof req.params.domain, 'string');
@@ -77,16 +63,6 @@ function setDnsRecords(req, res, next) {
     });
 }
 
-function removeDomain(req, res, next) {
-    assert.strictEqual(typeof req.params.domain, 'string');
-
-    mail.removeDomain(req.params.domain, function (error) {
-        if (error) return next(BoxError.toHttpError(error));
-
-        next(new HttpSuccess(204));
-    });
-}
-
 function getStatus(req, res, next) {
     assert.strictEqual(typeof req.params.domain, 'string');