Remove unused requires

src/mailer.js

@@ -39,10 +39,8 @@ var assert = require('assert'),
     dns = require('native-dns'),
     docker = require('./docker.js').connection,
     ejs = require('ejs'),
-    ini = require('ini'),
     nodemailer = require('nodemailer'),
     path = require('path'),
-    paths = require('./paths.js'),
     safe = require('safetydance'),
     settings = require('./settings.js'),
     smtpTransport = require('nodemailer-smtp-transport'),