Removed clear-text password from sample

Removed unused clear-text password as it encourages risky coding.

#1764

samples/MvcSample.Web/HomeController.cs

@@ -174,7 +174,6 @@ namespace MvcSample.Web
                 Alive = true,
                 Age = 13,
                 GPA = 13.37M,
-                Password = "Secure string",
                 Dependent = new User()
                 {
                     Name = "Dependents name",

samples/MvcSample.Web/Models/User.cs

@@ -24,7 +24,6 @@ namespace MvcSample.Web.Models
         public decimal GPA { get; set; }
         public User Dependent { get; set; }
         public bool Alive { get; set; }
-        public string Password { get; set; }
         [DisplayFormat(ConvertEmptyStringToNull = true, NullDisplayText = "You can explain about your profession")]
         public string Profession { get; set; }
         public string About { get; set; }