settings: move support config to support

src/mailer.js

@@ -25,6 +25,7 @@ const assert = require('assert'),
     path = require('path'),
     safe = require('safetydance'),
     settings = require('./settings.js'),
+    support = require('./support.js'),
     translation = require('./translation.js'),
     util = require('util');
 
@@ -33,7 +34,7 @@ const MAIL_TEMPLATES_DIR = path.join(__dirname, 'mail_templates');
 // This will collect the most common details required for notification emails
 async function getMailConfig() {
     const cloudronName = await branding.getCloudronName();
-    const supportConfig = await settings.getSupportConfig();
+    const supportConfig = await support.getConfig();
 
     return {
         cloudronName,