optimise some dependencies (#1781)

- remove “intl” from components (not needed)
- remove “material-design-icons” from core (not needed)

ng2-components/ng2-alfresco-webscript/gulpfile.ts

@@ -48,7 +48,6 @@ function getInjectableDependency() {
     var NPM_DEPENDENCIES = [
         {src: 'zone.js/dist/zone.js', inject: 'libs'},
         {src: 'core-js/client/shim.min.js', inject: 'shims'},
-        {src: 'intl/dist/Intl.min.js', inject: 'shims'},
         {src: 'systemjs/dist/system.src.js', inject: 'shims', buildType:'dev'}
     ];
 

ng2-components/ng2-alfresco-webscript/package.json

@@ -77,7 +77,6 @@
     "gulp-typescript": "^3.1.3",
     "gulp-uglify": "^2.0.0",
     "gulp-util": "^3.0.7",
-    "intl": "^1.2.5",
     "jasmine-ajax": "^3.2.0",
     "jasmine-core": "2.4.1",
     "karma": "~0.13.22",