Add position count property map

src/Managing.Domain/Backtests/Backtest.cs

@@ -18,7 +18,6 @@ public class Backtest
         Config = config;
         Positions = positions;
         Signals = signals;
-        WalletBalances = new List<KeyValuePair<DateTime, decimal>>();
     }
 
     [Required] public string Id { get; set; }
@@ -33,7 +32,6 @@ public class Backtest
     [Required] public DateTime EndDate { get; set; }
     [Required] public PerformanceMetrics Statistics { get; set; }
     [Required] public decimal Fees { get; set; }
-    [Required] public List<KeyValuePair<DateTime, decimal>> WalletBalances { get; set; }
     [Required] public User User { get; set; }
     [Required] public double Score { get; set; }
     public Guid RequestId { get; set; }