refactor(auth): move auth into core module

src/app/app.module.ts

@@ -8,7 +8,6 @@ import { BrowserModule } from '@angular/platform-browser';
 import { BrowserAnimationsModule } from '@angular/platform-browser/animations';
 import { NgModule } from '@angular/core';
 import { HttpModule } from '@angular/http';
-import { NgaAuthModule, NgaDummyAuthProvider } from '@akveo/nga-auth';
 import { CoreModule } from './@core/core.module';
 
 import { AppComponent } from './app.component';
@@ -25,20 +24,6 @@ import { ThemeModule } from './@theme/theme.module';
     CoreModule,
     ThemeModule.forRoot(),
     CoreModule.forRoot(),
-    NgaAuthModule,
-    NgaAuthModule.forRoot({
-      providers: {
-        email: {
-          service: NgaDummyAuthProvider,
-          config: {
-            delay: 1000,
-            login: {
-              rememberMe: true,
-            }
-          },
-        },
-      }
-    }),
   ],
   bootstrap: [AppComponent],
   providers: [