Fix to CSV Export type converters

prs.shared/Posters/Timberline/BillTimberlinePoster.cs

@@ -114,7 +114,6 @@ namespace PRS.Shared
         public string Commitment { get; set; } = "";
 
         [Index(3)]
-        [TypeConverter(typeof(TimberlinePosterStringConverter), 5)]
         public int CommitmentLineItem { get; set; }
 
         [Index(4)]

prs.shared/Posters/Timberline/PurchaseOrderTimberlinePoster.cs

@@ -105,7 +105,6 @@ namespace PRS.Shared
         public string CommitmentID { get; set; }
 
         [Index(2)]
-        [TypeConverter(typeof(TimberlinePosterStringConverter), 3)]
         public int ItemNumber { get; set; }
 
         [Index(3)]