fixed eslint warnings

browser/main/TopBar/index.js

@@ -2,15 +2,9 @@ import React, { PropTypes } from 'react'
 import CSSModules from 'browser/lib/CSSModules'
 import styles from './TopBar.styl'
 import _ from 'lodash'
-import NewNoteModal from 'browser/main/modals/NewNoteModal'
 import ee from 'browser/main/lib/eventEmitter'
 import NewNoteButton from 'browser/main/NewNoteButton'
 
-const { remote } = require('electron')
-const { dialog } = remote
-
-const OSX = window.process.platform === 'darwin'
-
 class TopBar extends React.Component {
   constructor (props) {
     super(props)
@@ -121,7 +115,7 @@ class TopBar extends React.Component {
   }
 
   render () {
-    let { config, style, data, location } = this.props
+    const { config, style, location } = this.props
     return (
       <div className='TopBar'
         styleName={config.isSideNavFolded ? 'root--expanded' : 'root'}