misc/ remove old code

Author: maximegris

Diff for: src/app/app.module.ts

@@ -1,6 +1,3 @@
-import 'reflect-metadata';
-import '../polyfills';
-
 import { BrowserModule } from '@angular/platform-browser';
 import { NgModule } from '@angular/core';
 import { FormsModule } from '@angular/forms';