Removing remaining references to Polyglot

refs #3802

core/server/index.js

@@ -5,7 +5,6 @@ var crypto      = require('crypto'),
     compress    = require('compression'),
     fs          = require('fs'),
     uuid        = require('node-uuid'),
-    Polyglot    = require('node-polyglot'),
     semver      = require('semver'),
     _           = require('lodash'),
     when        = require('when'),
@@ -204,9 +203,6 @@ function init(server) {
         server = express();
     }
 
-    // Set up Polygot instance on the require module
-    Polyglot.instance = new Polyglot();
-
     // ### Initialisation
     // The server and its dependencies require a populated config
     // It returns a promise that is resolved when the application

core/test/unit/server_helpers_index_spec.js

@@ -6,7 +6,6 @@ var should         = require('should'),
     _              = require('lodash'),
     rewire         = require('rewire'),
     moment         = require('moment'),
-    Polyglot       = require('node-polyglot'),
     api            = require('../../server/api'),
     hbs            = require('express-hbs'),