remove unused imports

src/app/services/publications.service.ts

@@ -8,6 +8,7 @@ import { catchError } from 'rxjs/operators'
 import { Publication } from '../models/publication';
 import { getUrl } from 'ionicons/dist/types/components/icon/utils';
 import { ActivatedRoute, Router } from '@angular/router';
+import { SessionStore } from '../store/session.service';
 
 @Injectable({
   providedIn: 'root'
@@ -23,7 +24,7 @@ export class PublicationsService  {
   constructor(private http: HttpClient, user: AuthService,
     private activatedRoute: ActivatedRoute,
     private router: Router) { 
-    this.loggeduser = user.ValidatedUser;
+    this.loggeduser = SessionStore.user;
     this.headers = new HttpHeaders();
     this.headers = this.headers.set('Authorization', this.loggeduser.BasicAuthKey);