refactor: Remove require extension filename

lib/models/index.js

@@ -5,8 +5,8 @@ var path = require('path')
 var Sequelize = require('sequelize')
 
 // core
-var config = require('../config.js')
-var logger = require('../logger.js')
+var config = require('../config')
+var logger = require('../logger')
 
 var dbconfig = config.db
 dbconfig.logging = config.debug ? logger.info : false

lib/models/note.js

@@ -15,11 +15,11 @@ var dmp = new DiffMatchPatch()
 var S = require('string')
 
 // core
-var config = require('../config.js')
-var logger = require('../logger.js')
+var config = require('../config')
+var logger = require('../logger')
 
 // ot
-var ot = require('../ot/index.js')
+var ot = require('../ot')
 
 // permission types
 var permissionTypes = ['freely', 'editable', 'limited', 'locked', 'protected', 'private']

lib/models/revision.js

@@ -7,8 +7,8 @@ var childProcess = require('child_process')
 var shortId = require('shortid')
 
 // core
-var config = require('../config.js')
-var logger = require('../logger.js')
+var config = require('../config')
+var logger = require('../logger')
 
 var dmpWorker = createDmpWorker()
 var dmpCallbackCache = {}

lib/models/user.js

@@ -5,8 +5,8 @@ var Sequelize = require('sequelize')
 var scrypt = require('scrypt')
 
 // core
-var logger = require('../logger.js')
-var letterAvatars = require('../letter-avatars.js')
+var logger = require('../logger')
+var letterAvatars = require('../letter-avatars')
 
 module.exports = function (sequelize, DataTypes) {
   var User = sequelize.define('User', {