account recovery to delete via email

src/Core/Models/Api/Request/Accounts/DeleteRecoverRequestModel.cs

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+using System.ComponentModel.DataAnnotations;
+
+namespace Bit.Core.Models.Api
+{
+    public class DeleteRecoverRequestModel
+    {
+        [Required]
+        [EmailAddress]
+        [StringLength(50)]
+        public string Email { get; set; }
+    }
+}

src/Core/Models/Api/Request/Accounts/VerifyDeleteRecoverRequestModel.cs

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+using System.ComponentModel.DataAnnotations;
+
+namespace Bit.Core.Models.Api
+{
+    public class VerifyDeleteRecoverRequestModel
+    {
+        [Required]
+        public string UserId { get; set; }
+        [Required]
+        public string Token { get; set; }
+    }
+}

src/Core/Models/Mail/VerifyDeleteModel.cs

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+using System;
+
+namespace Bit.Core.Models.Mail
+{
+    public class VerifyDeleteModel : BaseMailModel
+    {
+        public string Url => string.Format("{0}/verify-recover-delete?userId={1}&token={2}&email={3}",
+            WebVaultUrl,
+            UserId,
+            Token,
+            EmailEncoded);
+
+        public Guid UserId { get; set; }
+        public string Email { get; set; }
+        public string EmailEncoded { get; set; }
+        public string Token { get; set; }
+    }
+}