[Blazor] Removes unused oidc-client import WebStorageStateStore from AuthenticationService.ts (dotnet/aspnetcore#25427)

Removes unused oidc-client import WebStorageStateStore from AuthenticationService.ts

Commit migrated from dotnet/aspnetcore@f1b150eeab

src/content/Angular-CSharp/ClientApp/src/api-authorization/authorize.service.ts

@@ -1,5 +1,5 @@
 import { Injectable } from '@angular/core';
-import { User, UserManager, WebStorageStateStore } from 'oidc-client';
+import { User, UserManager } from 'oidc-client';
 import { BehaviorSubject, concat, from, Observable } from 'rxjs';
 import { filter, map, mergeMap, take, tap } from 'rxjs/operators';
 import { ApplicationPaths, ApplicationName } from './api-authorization.constants';