APP_INITIALIZER removed since is not needed
//
import { Location } from '@angular/common';
import { HttpClientModule } from '@angular/common/http';
-import { Injectable, NgModule, NgZone, APP_INITIALIZER } from '@angular/core';
+import { Injectable, NgModule, NgZone } from '@angular/core';
import { FormsModule } from '@angular/forms';
import { BrowserModule } from '@angular/platform-browser';
import { BrowserAnimationsModule } from '@angular/platform-browser/animations';
