core 3.1

clean up

Author: Longfld

Startup.cs

@@ -11,9 +11,7 @@
 using Microsoft.AspNetCore.Diagnostics;
 using Microsoft.IdentityModel.Tokens;
 using Newtonsoft.Json;
-using Microsoft.Extensions.Hosting;
-using Microsoft.AspNetCore.Authorization;
-using Microsoft.AspNetCore.Authentication.JwtBearer;
+
 
 namespace ASPNETCoreAngularJWT
 {