Remove unused "grunt-extract-cldr-data" dependency

This wasn't configured properly and didn't work

Author: Turbo87

Gruntfile.js

@@ -104,7 +104,6 @@ module.exports = function (grunt) {
     grunt.loadNpmTasks('grunt-contrib-jshint');
     grunt.loadNpmTasks('grunt-contrib-uglify');
     grunt.loadNpmTasks('grunt-bundle-jsnext-lib');
-    grunt.loadNpmTasks('grunt-extract-cldr-data');
     grunt.loadNpmTasks('grunt-curl');
     grunt.loadNpmTasks('grunt-zip');
 

package.json

@@ -22,7 +22,6 @@
     "grunt-contrib-jshint": "^0.10.0",
     "grunt-contrib-uglify": "^0.5.1",
     "grunt-curl": "^2.1.0",
-    "grunt-extract-cldr-data": "^2.1.1",
     "grunt-zip": "^0.16.2",
     "jshint": "^2.5.5",
     "object.assign": "^1.1.1",