Remove accidently commited translation-util.js file.

This file was accidently committed in 77a1fc0bd3
when migrating old PR to use typescript. This commit removes it.

app/renderer/js/utils/translation-util.js

@@ -1,29 +0,0 @@
-'use strict';
-const path = require("path");
-const electron = require("electron");
-const i18n = require("i18n");
-let instance = null;
-let app = null;
-/* To make the util runnable in both main and renderer process */
-if (process.type === 'renderer') {
-    app = electron.remote.app;
-}
-else {
-    app = electron.app;
-}
-class TranslationUtil {
-    constructor() {
-        if (instance) {
-            return this;
-        }
-        instance = this;
-        i18n.configure({
-            directory: path.join(__dirname, '../../../translations/'),
-            register: this
-        });
-    }
-    __(phrase) {
-        return i18n.__({ phrase, locale: app.getLocale() });
-    }
-}
-module.exports = new TranslationUtil();