Removed module version , es6 incompatibilities in older browsers

Author: ashok1994

package.json

@@ -3,7 +3,6 @@
   "version": "2.0.2",
   "description": "FusionCharts component for Vue.js",
   "main": "dist/vue-fusioncharts.js",
-  "module": "src/index.js",
   "author": "FusionCharts",
   "homepage": "http://www.fusioncharts.com",
   "repository": {