Fix Models with PLZ

WGneu/Models/WineCult.cs

@@ -1,18 +1,13 @@
 using Microsoft.EntityFrameworkCore;
-using System;
-using System.Collections.Generic;
 using System.ComponentModel.DataAnnotations.Schema;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
 
 namespace WGneu.Models {
     [Table("wine_cultivation"), PrimaryKey("CultId")]
     public class WineCult {
         [Column("cultid")]
-        public String CultId { get; set; }
+        public string CultId { get; set; }
 
         [Column("name")]
-        public String Name { get; set; }
+        public string Name { get; set; }
     }
 }