fixes for conflicts with master

src/app/core/auth/auth-request.service.ts

@@ -25,8 +25,6 @@ export class AuthRequestService {
   protected fetchRequest(request: RestRequest): Observable<any> {
     return this.requestService.getByUUID(request.uuid).pipe(
       getResponseFromEntry(),
-      // TODO to review when https://github.com/DSpace/dspace-angular/issues/217 will be fixed
-      // tap(() => this.responseCache.remove(request.href)),
       mergeMap((response) => {
         if (response.isSuccessful && isNotEmpty(response)) {
           return observableOf((response as AuthStatusResponse).response);