fixes build

src/Umbraco.Web/Security/Identity/UmbracoBackOfficeCookieAuthOptions.cs

@@ -89,38 +89,6 @@ namespace Umbraco.Web.Security.Identity
 
             return cookieOptions;
         }
-
-        /// <summary>
-        /// Creates the cookie options for saving the auth cookie
-        /// </summary>
-        /// <param name="ctx"></param>
-        /// <param name="ticket"></param>
-        /// <returns></returns>
-        public CookieOptions CreateRequestCookieOptions(IOwinContext ctx, AuthenticationTicket ticket)
-        {
-            if (ctx == null) throw new ArgumentNullException("ctx");
-            if (ticket == null) throw new ArgumentNullException("ticket");
-
-            var issuedUtc = ticket.Properties.IssuedUtc ?? SystemClock.UtcNow;
-            var expiresUtc = ticket.Properties.ExpiresUtc ?? issuedUtc.Add(ExpireTimeSpan);
-
-            var cookieOptions = new CookieOptions
-            {
-                Path = "/",
-                Domain = this.CookieDomain ?? null,
-                HttpOnly = true,
-                Secure = this.CookieSecure == CookieSecureOption.Always
-                                         || (this.CookieSecure == CookieSecureOption.SameAsRequest && ctx.Request.IsSecure),
-            };
-
-            if (ticket.Properties.IsPersistent)
-            {
-                cookieOptions.Expires = expiresUtc.ToUniversalTime().DateTime;
-            }
-
-            return cookieOptions;
-        }
-
           
     }
 }