fixed core and shared module usage, lazy loading modules

src/app/shared/shared.module.ts

@@ -7,13 +7,11 @@ import { NgxPaginationModule } from 'ngx-pagination';
 import { NgbModule } from '@ng-bootstrap/ng-bootstrap';
 import { TranslateModule } from '@ngx-translate/core';
 
-import { ApiService } from './api.service';
 import { PaginationComponent } from './pagination/pagination.component';
 import { FileSizePipe } from './utils/file-size-pipe';
 import { ThumbnailComponent } from '../thumbnail/thumbnail.component';
 import { SafeUrlPipe } from './utils/safe-url-pipe';
-import { HostWindowService } from './host-window.service';
-import { NativeWindowFactory, NativeWindowService } from './window.service';
+
 import { ComcolPageContentComponent } from './comcol-page-content/comcol-page-content.component';
 import { ComcolPageHeaderComponent } from './comcol-page-header/comcol-page-header.component';
 import { ComcolPageLogoComponent } from './comcol-page-logo/comcol-page-logo.component';
@@ -24,7 +22,6 @@ import { ItemListElementComponent } from '../object-list/item-list-element/item-
 import { CommunityListElementComponent } from '../object-list/community-list-element/community-list-element.component';
 import { CollectionListElementComponent } from '../object-list/collection-list-element/collection-list-element.component';
 import { TruncatePipe } from './utils/truncate.pipe';
-import { ServerResponseService } from './server-response.service';
 
 const MODULES = [
   // Do NOT include UniversalModule, HttpModule, or JsonpModule here
@@ -38,11 +35,11 @@ const MODULES = [
 ];
 
 const PIPES = [
+  // put shared pipes here
   FileSizePipe,
   SafeUrlPipe,
   EnumKeysPipe,
   TruncatePipe
-  // put pipes here
 ];
 
 const COMPONENTS = [
@@ -60,10 +57,7 @@ const COMPONENTS = [
 ];
 
 const PROVIDERS = [
-  ApiService,
-  HostWindowService,
-  { provide: NativeWindowService, useFactory: NativeWindowFactory },
-  ServerResponseService
+
 ];
 
 @NgModule({