Change eslint to disallow unused variables

.eslintrc.js

@@ -32,7 +32,6 @@ module.exports = {
         'no-throw-literal': 0,
         camelcase: 0,
         'valid-jsdoc': 0,
-        'no-unused-vars': 1,
         'no-path-concat': 1,
         'quote-props': [2, 'as-needed']
     },

app/src/main.js

@@ -70,7 +70,7 @@ app.on('login', (event, webContents, request, authInfo, callback) => {
     createLoginWindow(callback);
 });
 
-ipcMain.on('notification', (event, title, opts) => {
+ipcMain.on('notification', () => {
     if (!isOSX() || mainWindow.isFocused()) {
         return;
     }

app/src/static/preload.js

@@ -12,7 +12,7 @@ setNotificationCallback((title, opt) => {
     ipcRenderer.send('notification', title, opt);
 });
 
-document.addEventListener('DOMContentLoaded', event => {
+document.addEventListener('DOMContentLoaded', () => {
     // do things
 
     window.addEventListener('contextmenu', event => {