deprecate "headerColor" customisation

projects/aca-shared/src/lib/components/document-base-page/document-base-page.spec.ts

@@ -41,7 +41,6 @@ import { EffectsModule } from '@ngrx/effects';
 
 export const INITIAL_APP_STATE: AppState = {
   appName: 'Alfresco Content Application',
-  headerColor: '#ffffff',
   logoPath: 'assets/images/alfresco-logo-white.svg',
   customCssPath: '',
   webFontPath: '',

projects/aca-shared/src/lib/services/app.service.ts

@@ -224,7 +224,6 @@ export class AppService implements OnDestroy {
     const state: AppState = {
       ...this.initialAppState,
       appName: this.config.get<string>('application.name'),
-      headerColor: this.config.get<string>('headerColor'),
       logoPath: this.config.get<string>('application.logo'),
       customCssPath: this.config.get<string>('customCssPath'),
       webFontPath: this.config.get<string>('webFontPath'),

projects/aca-shared/src/lib/testing/lib-testing-module.ts

@@ -43,7 +43,6 @@ import { CommonModule } from '@angular/common';
 export const initialState = {
   app: {
     appName: 'Alfresco Content Application',
-    headerColor: '#ffffff',
     logoPath: 'assets/images/alfresco-logo-white.svg',
     sharedUrl: '',
     user: {