feat(core): import template (#8000)

packages/frontend/web/src/app.tsx

@@ -1,7 +1,6 @@
 import '@affine/component/theme/global.css';
 import '@affine/component/theme/theme.css';
 
-import { NotificationCenter } from '@affine/component';
 import { AffineContext } from '@affine/component/context';
 import { GlobalLoading } from '@affine/component/global-loading';
 import { AppFallback } from '@affine/core/components/affine/app-container';
@@ -100,7 +99,6 @@ export function App() {
             <CustomThemeModifier />
             <DebugProvider>
               <GlobalLoading />
-              <NotificationCenter />
               <RouterProvider
                 fallbackElement={<AppFallback key="RouterFallback" />}
                 router={router}