removing pl locales from example

Author: szczepanmasny

examples/simple-crud/locales/index.js

@@ -2,13 +2,11 @@ import Vue from 'vue'
 import VueI18n from 'vue-i18n'
 import store from '@/store/index.js'
 
-import pl from './pl/index.js'
 import en from './en/index.js'
 
 Vue.use(VueI18n)
 
 const messages = {
-  pl: pl,
   en: en
 }