Revert "add lazy loading for entities"

This reverts commit ac6e4b51a9.

ReallifeGamemode.Server/Entities/Door.cs

@@ -31,6 +31,6 @@ namespace ReallifeGamemode.Server.Entities
 
         [ForeignKey("FactionId")]
         public int? FactionId { get; set; }
-        public virtual Faction Faction { get; set; }
+        public Faction Faction { get; set; }
     }
 }