Remove unneeded AuthenticateContext

Author: HaoK

src/Microsoft.AspNetCore.Authentication.Abstractions/AuthenticateContext.cs

@@ -22,9 +22,8 @@ public interface IAuthenticationHandler
  /// <summary>
  /// Authentication behavior.
  /// </summary>
- /// <param name="context">The <see cref="AuthenticateContext"/> context.</param>
  /// <returns>The <see cref="AuthenticateResult"/> result.</returns>
- Task<AuthenticateResult> AuthenticateAsync(AuthenticateContext context);
+ Task<AuthenticateResult> AuthenticateAsync();
 
  /// <summary>
  /// Challenge behavior.

src/Microsoft.AspNetCore.Authentication.Abstractions/IAuthenticationHandler.cs

@@ -65,8 +65,7 @@ public virtual async Task<AuthenticateResult> AuthenticateAsync(HttpContext cont
  throw new InvalidOperationException($"No authentication handler is configured to authenticate for the scheme: {scheme}");
  }
 
- var authContext = new AuthenticateContext(context, scheme);
- var result = await handler.AuthenticateAsync(authContext);
+ var result = await handler.AuthenticateAsync();
  if (result.Succeeded)
  {
  var transformed = await Transform.TransformAsync(result.Principal);