Update app.config.ts

Fixed the bug that the argument of type 'EnvironmentProviders' is not assignable to parameter of type 'ImportProvidersSource'.

Author: hjklasdfg

angularfire-start/src/app/app.config.ts

@@ -11,14 +11,12 @@ import { provideRouter } from '@angular/router';
 
 export const appConfig: ApplicationConfig = {
   providers: [
-    importProvidersFrom(
-      provideFirebaseApp(() => initializeApp(environment.firebase)),
-      provideFirestore(() => getFirestore()),
-      provideAuth(() => getAuth()),
-      provideFunctions(() => getFunctions()),
-      provideStorage(() => getStorage()),
-      provideMessaging(() => getMessaging())
-    ),
-    provideRouter(routes)
+    provideRouter(routes),
+    provideFirebaseApp(() => initializeApp(environment.firebase)),
+    provideFirestore(() => getFirestore()),
+    provideAuth(() => getAuth()),
+    provideFunctions(() => getFunctions()),
+    provideStorage(() => getStorage()),
+    provideMessaging(() => getMessaging())
   ],
 };