Remove last usage of auth/branding route

src/routes/auth.js

@@ -6,7 +6,6 @@ exports = module.exports = {
     passwordResetRequest,
     passwordReset,
     setupAccount,
-    getBranding
 };
 
 const assert = require('assert'),
@@ -116,14 +115,3 @@ async function setupAccount(req, res, next) {
 
     next(new HttpSuccess(201, { accessToken }));
 }
-
-async function getBranding(req, res, next) {
-    // still used in passwordreset and setupaccount views. we should server render them
-    const result = {
-        cloudronName: await branding.getCloudronName(),
-        footer: await branding.renderFooter(),
-        language: await cloudron.getLanguage(),
-    };
-
-    next(new HttpSuccess(200, result));
-}