remove unnecessary code

src/app/ui/shared/components/header/header.page.spec.ts

@@ -0,0 +1,24 @@
+import { async, ComponentFixture, TestBed } from '@angular/core/testing';
+import { IonicModule } from '@ionic/angular';
+
+import { HeaderPage } from './header.page';
+
+describe('HeaderPage', () => {
+  let component: HeaderPage;
+  let fixture: ComponentFixture<HeaderPage>;
+
+  beforeEach(async(() => {
+    TestBed.configureTestingModule({
+      declarations: [ HeaderPage ],
+      imports: [IonicModule.forRoot()]
+    }).compileComponents();
+
+    fixture = TestBed.createComponent(HeaderPage);
+    component = fixture.componentInstance;
+    fixture.detectChanges();
+  }));
+
+  it('should create', () => {
+    expect(component).toBeTruthy();
+  });
+});