Added nav-bar to show home link and user status

bookie/src/app/home/home.component.ts

@@ -1,7 +1,5 @@
 import { Component, OnInit} from '@angular/core';
 import { AuthService} from '../auth/auth.service';
-import { Observable } from 'rxjs';
-import { map, share } from 'rxjs/operators';
 
 @Component({
   selector: 'app-home',
@@ -9,15 +7,10 @@ import { map, share } from 'rxjs/operators';
   styleUrls: ['./home.component.css']
 })
 export class HomeComponent implements OnInit {
-  public user: Observable<string>;
 
   constructor(public auth: AuthService) {
   }
 
   ngOnInit() {
-    this.user = this.auth.userObservable.pipe(
-      map (x => x.isAuthenticated ? x.name : null),
-      share()
-    );
   }
 }