Addressed final TODOs

src/Umbraco.Web/Editors/AuthenticationController.cs

@@ -1,4 +1,4 @@
-using System;
+using System;
 using System.Linq;
 using System.Net;
 using System.Net.Http;
@@ -327,7 +327,7 @@ namespace Umbraco.Web.Editors
                         UmbracoUserExtensions.GetUserCulture(identityUser.Culture, Services.TextService, GlobalSettings),
                         new[] { identityUser.UserName, callbackUrl });
 
-                    // TODO: SB: SendEmailAsync
+                    // TODO: Port email service to ASP.NET Core
                     /*await UserManager.SendEmailAsync(identityUser.Id,
                         Services.TextService.Localize("login/resetPasswordEmailCopySubject",
                             // Ensure the culture of the found user is used for the email!
@@ -451,8 +451,6 @@ namespace Umbraco.Web.Editors
                 // if user was only invited, then they have not been approved
                 // but a successful forgot password flow (e.g. if their token had expired and they did a forgot password instead of request new invite)
                 // means we have verified their email
-
-                // TODO: SB: ConfirmEmailAsync
                 if (!await UserManager.IsEmailConfirmedAsync(identityUser))
                 {
                     await UserManager.ConfirmEmailAsync(identityUser, model.ResetCode);

src/Umbraco.Web/Editors/UsersController.cs

@@ -499,7 +499,7 @@ namespace Umbraco.Web.Editors
                 UmbracoUserExtensions.GetUserCulture(to.Language, Services.TextService, GlobalSettings),
                 new[] { userDisplay.Name, from, message, inviteUri.ToString(), fromEmail });
 
-            // TODO: SB: EmailService.SendAsync
+            // TODO: Port email service to ASP.NET Core
             /*await UserManager.EmailService.SendAsync(
                 //send the special UmbracoEmailMessage which configures it's own sender
                 //to allow for events to handle sending the message if no smtp is configured