remove an unused file

Server/Server/DB/Patient.cs

@@ -1,23 +0,0 @@
-using System.Runtime.Serialization;
-using System.ComponentModel.DataAnnotations.Schema;
-
-namespace Server.Models
-{
-    [Table("Patients")]
-    [DataContract]
-    public class Patient : Person
-    {
-        public Patient() { }
-        public Patient(string firstName, string lastName, Gender gender, Salutation salutation,
-                       string streetName, string streetNumber, City city)
-        {
-            this.FirstName = firstName;
-            this.LastName = lastName;
-            this.Gender = gender;
-            this.Salutation = salutation;
-            this.StreetName = streetName;
-            this.StreetNumber = streetNumber;
-            this.City = city;
-        }
-    }
-}