Enabled --prod mode for GUI2 - refactored modules

Change-Id: I224fe9564cb225b9ebaed0a43281de54ec6eb274
diff --git a/web/gui2/src/main/webapp/app/fw/layer/layer.module.ts b/web/gui2/src/main/webapp/app/fw/layer/layer.module.ts
index 6292a8d..b4e39b2 100644
--- a/web/gui2/src/main/webapp/app/fw/layer/layer.module.ts
+++ b/web/gui2/src/main/webapp/app/fw/layer/layer.module.ts
@@ -15,7 +15,6 @@
  */
 import { NgModule } from '@angular/core';
 import { CommonModule } from '@angular/common';
-import { UtilModule } from '../util/util.module';
 
 import { FlashComponent } from './flash/flash.component';
 import { DetailsPanelService } from './detailspanel.service';
@@ -35,8 +34,7 @@
     VeilComponent
   ],
   imports: [
-    CommonModule,
-    UtilModule
+    CommonModule
   ],
   declarations: [
     FlashComponent,