Move IdentityOptions namespace

src/Microsoft.AspNetCore.Identity/AspNetUserManager.cs

@@ -4,7 +4,6 @@
 using System;
 using System.Collections.Generic;
 using System.Threading;
-using Microsoft.AspNetCore.Builder;
 using Microsoft.AspNetCore.Http;
 using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.Logging;

src/Microsoft.AspNetCore.Identity/IdentityServiceCollectionExtensions.cs

@@ -3,7 +3,6 @@
 
 using System;
 using Microsoft.AspNetCore.Authentication.Cookies;
-using Microsoft.AspNetCore.Builder;
 using Microsoft.AspNetCore.Http;
 using Microsoft.AspNetCore.Identity;
 using Microsoft.Extensions.Configuration;

src/Microsoft.AspNetCore.Identity/SecurityStampValidator.cs

@@ -5,7 +5,6 @@ using System;
 using System.Threading.Tasks;
 using Microsoft.AspNetCore.Authentication;
 using Microsoft.AspNetCore.Authentication.Cookies;
-using Microsoft.AspNetCore.Builder;
 using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.Options;
 

src/Microsoft.AspNetCore.Identity/SignInManager.cs

@@ -7,7 +7,6 @@ using System.Linq;
 using System.Security.Claims;
 using System.Threading.Tasks;
 using Microsoft.AspNetCore.Authentication;
-using Microsoft.AspNetCore.Builder;
 using Microsoft.AspNetCore.Http;
 using Microsoft.Extensions.Logging;
 using Microsoft.Extensions.Options;

src/Microsoft.Extensions.Identity.Core/IdentityBuilder.cs

@@ -3,7 +3,6 @@
 
 using System;
 using System.Reflection;
-using Microsoft.AspNetCore.Builder;
 using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.DependencyInjection.Extensions;
 using Microsoft.Extensions.Identity.Core;

src/Microsoft.Extensions.Identity.Core/IdentityOptions.cs

@@ -1,9 +1,7 @@
 // Copyright (c) .NET Foundation. All rights reserved.
 // Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
 
-using Microsoft.AspNetCore.Identity;
-
-namespace Microsoft.AspNetCore.Builder
+namespace Microsoft.AspNetCore.Identity
 {
     /// <summary>
     /// Represents all the options you can use to configure the identity system.

src/Microsoft.Extensions.Identity.Core/IdentityServiceCollectionExtensions.cs

@@ -2,7 +2,6 @@
 // Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
 
 using System;
-using Microsoft.AspNetCore.Builder;
 using Microsoft.AspNetCore.Identity;
 using Microsoft.Extensions.DependencyInjection.Extensions;
 

src/Microsoft.Extensions.Identity.Core/UserClaimsPrincipalFactory.cs

@@ -4,7 +4,6 @@
 using System;
 using System.Security.Claims;
 using System.Threading.Tasks;
-using Microsoft.AspNetCore.Builder;
 using Microsoft.Extensions.Options;
 
 namespace Microsoft.AspNetCore.Identity

src/Microsoft.Extensions.Identity.Core/UserManager.cs

@@ -10,7 +10,6 @@ using System.Security.Cryptography;
 using System.Text;
 using System.Threading;
 using System.Threading.Tasks;
-using Microsoft.AspNetCore.Builder;
 using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.Identity.Core;
 using Microsoft.Extensions.Logging;